diff --git a/model_zoo/official/cv/crnn/postprocess.py b/model_zoo/official/cv/crnn/postprocess.py
index f321d70f3b..88eaba1542 100644
--- a/model_zoo/official/cv/crnn/postprocess.py
+++ b/model_zoo/official/cv/crnn/postprocess.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -37,7 +37,7 @@ def read_annotation(ann_file):
 
     return ann
 
-def read_IC13_annotation(ann_file):
+def read_ic13_annotation(ann_file):
     file = open(ann_file)
 
     ann = {}
@@ -60,14 +60,17 @@ def read_svt_annotation(ann_file):
     return ann
 
 def get_eval_result(result_path, ann_file):
+    """
+    Calculate accuracy according to the annotation file and result file.
+    """
     metrics = CRNNAccuracy(config)
 
     if args.dataset == "ic03" or args.dataset == "iiit5k":
-        ann = read_annotation(args.ann_file)
+        ann = read_annotation(ann_file)
     elif args.dataset == "ic13":
-        ann = read_IC13_annotation(args.ann_file)
+        ann = read_ic13_annotation(ann_file)
     elif args.dataset == "svt":
-        ann = read_svt_annotation(args.ann_file)
+        ann = read_svt_annotation(ann_file)
 
     for img_name, label in ann.items():
         result_file = os.path.join(result_path, img_name[:-4] + "_0.bin")
diff --git a/model_zoo/official/cv/ctpn/eval.py b/model_zoo/official/cv/ctpn/eval.py
index ddb8509252..9fcb2c557c 100644
--- a/model_zoo/official/cv/ctpn/eval.py
+++ b/model_zoo/official/cv/ctpn/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/ctpn/train.py b/model_zoo/official/cv/ctpn/train.py
index eb2bc57539..ab21edd72d 100644
--- a/model_zoo/official/cv/ctpn/train.py
+++ b/model_zoo/official/cv/ctpn/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/deeptext/eval.py b/model_zoo/official/cv/deeptext/eval.py
index 280782ef48..a0fc73b3a8 100644
--- a/model_zoo/official/cv/deeptext/eval.py
+++ b/model_zoo/official/cv/deeptext/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -43,7 +43,7 @@ args_opt = parser.parse_args()
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
 
 
-def Deeptext_eval_test(dataset_path='', ckpt_path=''):
+def deeptext_eval_test(dataset_path='', ckpt_path=''):
     """Deeptext evaluation."""
     ds = create_deeptext_dataset(dataset_path, batch_size=config.test_batch_size,
                                  repeat_num=1, is_training=False)
@@ -114,9 +114,9 @@ def Deeptext_eval_test(dataset_path='', ckpt_path=''):
     print("\n========================================\n")
     for i in range(config.num_classes - 1):
         j = i + 1
-        F1 = (2 *  precisions[j] * recalls[j]) / (precisions[j] + recalls[j] + 1e-6)
+        f1 = (2 *  precisions[j] * recalls[j]) / (precisions[j] + recalls[j] + 1e-6)
         print("class {} precision is {:.2f}%, recall is {:.2f}%,"
-              "F1 is {:.2f}%".format(j, precisions[j] * 100, recalls[j] * 100, F1 * 100))
+              "F1 is {:.2f}%".format(j, precisions[j] * 100, recalls[j] * 100, f1 * 100))
         if config.use_ambigous_sample:
             break
 
@@ -137,4 +137,4 @@ if __name__ == '__main__':
 
     print("CHECKING MINDRECORD FILES DONE!")
     print("Start Eval!")
-    Deeptext_eval_test(mindrecord_file, args_opt.checkpoint_path)
+    deeptext_eval_test(mindrecord_file, args_opt.checkpoint_path)
diff --git a/model_zoo/official/cv/deeptext/src/Deeptext/vgg16.py b/model_zoo/official/cv/deeptext/src/Deeptext/vgg16.py
index 43552e7b4d..c379843ca3 100644
--- a/model_zoo/official/cv/deeptext/src/Deeptext/vgg16.py
+++ b/model_zoo/official/cv/deeptext/src/Deeptext/vgg16.py
@@ -6,19 +6,19 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ============================================================================
+
+"""VGG16 for deeptext"""
+
 import mindspore.common.dtype as mstype
 import mindspore.nn as nn
 from mindspore.ops import operations as P
 
-# """VGG16 for deeptext"""
-
-
 def _conv(in_channels, out_channels, kernel_size=3, stride=1, padding=0, pad_mode='pad'):
     """Conv2D wrapper."""
     # shape = (out_channels, in_channels, kernel_size, kernel_size)
@@ -60,6 +60,7 @@ class VGG16FeatureExtraction(nn.Cell):
         self.cast = P.Cast()
 
     def construct(self, x):
+        """ Construction of VGG """
         x = self.cast(x, mstype.float32)
         x = self.conv1_1(x)
         x = self.relu(x)
diff --git a/model_zoo/official/cv/deeptext/train.py b/model_zoo/official/cv/deeptext/train.py
index 4e477c27d6..3a9fb49f1c 100644
--- a/model_zoo/official/cv/deeptext/train.py
+++ b/model_zoo/official/cv/deeptext/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/faster_rcnn/eval.py b/model_zoo/official/cv/faster_rcnn/eval.py
index eff5ea3bb0..0316a82d58 100644
--- a/model_zoo/official/cv/faster_rcnn/eval.py
+++ b/model_zoo/official/cv/faster_rcnn/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -41,7 +41,7 @@ args_opt = parser.parse_args()
 
 context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.device_target, device_id=args_opt.device_id)
 
-def FasterRcnn_eval(dataset_path, ckpt_path, ann_file):
+def fasterrcnn_eval(dataset_path, ckpt_path, ann_file):
     """FasterRcnn evaluation."""
     ds = create_fasterrcnn_dataset(dataset_path, batch_size=config.test_batch_size, is_training=False)
     net = Faster_Rcnn_Resnet50(config)
@@ -132,4 +132,4 @@ if __name__ == '__main__':
 
     print("CHECKING MINDRECORD FILES DONE!")
     print("Start Eval!")
-    FasterRcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
+    fasterrcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
diff --git a/model_zoo/official/cv/faster_rcnn/postprocess.py b/model_zoo/official/cv/faster_rcnn/postprocess.py
index f2b2a35743..89bfda3885 100644
--- a/model_zoo/official/cv/faster_rcnn/postprocess.py
+++ b/model_zoo/official/cv/faster_rcnn/postprocess.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -28,7 +28,8 @@ parser.add_argument("--ann_file", type=str, required=True, help="ann file.")
 parser.add_argument("--img_path", type=str, required=True, help="image file path.")
 args = parser.parse_args()
 
-def get_eval_result(ann_file, img_path):
+def get_eval_result(ann_file):
+    """ get evaluation result of faster rcnn"""
     max_num = 128
     result_path = "./result_Files/"
 
@@ -69,4 +70,4 @@ def get_eval_result(ann_file, img_path):
     coco_eval(result_files, eval_types, dataset_coco, single_result=False)
 
 if __name__ == '__main__':
-    get_eval_result(args.ann_file, args.img_path)
+    get_eval_result(args.ann_file)
diff --git a/model_zoo/official/cv/faster_rcnn/train.py b/model_zoo/official/cv/faster_rcnn/train.py
index 1499407ff2..5ecba7eb1d 100644
--- a/model_zoo/official/cv/faster_rcnn/train.py
+++ b/model_zoo/official/cv/faster_rcnn/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/maskrcnn/eval.py b/model_zoo/official/cv/maskrcnn/eval.py
index db86130719..9044227597 100644
--- a/model_zoo/official/cv/maskrcnn/eval.py
+++ b/model_zoo/official/cv/maskrcnn/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -39,7 +39,7 @@ args_opt = parser.parse_args()
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
 
-def MaskRcnn_eval(dataset_path, ckpt_path, ann_file):
+def maskrcnn_eval(dataset_path, ckpt_path, ann_file):
     """MaskRcnn evaluation."""
     ds = create_maskrcnn_dataset(dataset_path, batch_size=config.test_batch_size, is_training=False)
 
@@ -129,4 +129,4 @@ if __name__ == '__main__':
                 print("IMAGE_DIR or ANNO_PATH not exits.")
 
     print("Start Eval!")
-    MaskRcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
+    maskrcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
diff --git a/model_zoo/official/cv/maskrcnn/postprocess.py b/model_zoo/official/cv/maskrcnn/postprocess.py
index aac24138a9..1d49b36abf 100644
--- a/model_zoo/official/cv/maskrcnn/postprocess.py
+++ b/model_zoo/official/cv/maskrcnn/postprocess.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -29,11 +29,11 @@ parser.add_argument("--ann_file", type=str, required=True, help="ann file.")
 parser.add_argument("--img_path", type=str, required=True, help="image file path.")
 args = parser.parse_args()
 
-def get_imgSize(file_name):
+def get_img_size(file_name):
     img = Image.open(file_name)
     return img.size
 
-def get_resizeRatio(img_size):
+def get_resize_ratio(img_size):
     org_width, org_height = img_size
     resize_ratio = dst_width / org_width
     if resize_ratio > dst_height / org_height:
@@ -42,6 +42,7 @@ def get_resizeRatio(img_size):
     return resize_ratio
 
 def get_eval_result(ann_file, img_path):
+    """ Get metrics result according to the annotation file and result file"""
     max_num = 128
     result_path = "./result_Files/"
     outputs = []
@@ -52,8 +53,8 @@ def get_eval_result(ann_file, img_path):
     for img_id in img_ids:
         file_id = str(img_id).zfill(12)
         file = img_path + "/" + file_id + ".jpg"
-        img_size = get_imgSize(file)
-        resize_ratio = get_resizeRatio(img_size)
+        img_size = get_img_size(file)
+        resize_ratio = get_resize_ratio(img_size)
 
         img_metas = np.array([img_size[1], img_size[0]] + [resize_ratio, resize_ratio])
 
diff --git a/model_zoo/official/cv/maskrcnn/train.py b/model_zoo/official/cv/maskrcnn/train.py
index 941c881ffd..6f749f5564 100644
--- a/model_zoo/official/cv/maskrcnn/train.py
+++ b/model_zoo/official/cv/maskrcnn/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/maskrcnn_mobilenetv1/eval.py b/model_zoo/official/cv/maskrcnn_mobilenetv1/eval.py
index 3231399b31..04d2d7642c 100644
--- a/model_zoo/official/cv/maskrcnn_mobilenetv1/eval.py
+++ b/model_zoo/official/cv/maskrcnn_mobilenetv1/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -39,7 +39,7 @@ args_opt = parser.parse_args()
 
 context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
 
-def MaskRcnn_eval(dataset_path, ckpt_path, ann_file):
+def maskrcnn_eval(dataset_path, ckpt_path, ann_file):
     """MaskRcnn evaluation."""
     ds = create_maskrcnn_dataset(dataset_path, batch_size=config.test_batch_size, is_training=False)
 
@@ -131,4 +131,4 @@ if __name__ == '__main__':
                 print("IMAGE_DIR or ANNO_PATH not exits.")
 
     print("Start Eval!")
-    MaskRcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
+    maskrcnn_eval(mindrecord_file, args_opt.checkpoint_path, args_opt.ann_file)
diff --git a/model_zoo/official/cv/maskrcnn_mobilenetv1/train.py b/model_zoo/official/cv/maskrcnn_mobilenetv1/train.py
index e181566883..573059c13d 100644
--- a/model_zoo/official/cv/maskrcnn_mobilenetv1/train.py
+++ b/model_zoo/official/cv/maskrcnn_mobilenetv1/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/eval.py b/model_zoo/official/cv/retinaface_resnet50/eval.py
index 5776967737..13106aa5bd 100644
--- a/model_zoo/official/cv/retinaface_resnet50/eval.py
+++ b/model_zoo/official/cv/retinaface_resnet50/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -95,8 +95,8 @@ class DetectionEngine:
             intersect_area = intersect_w * intersect_h
             ovr = intersect_area / (areas[i] + areas[order[1:]] - intersect_area)
 
-            indexs = np.where(ovr <= threshold)[0]
-            order = order[indexs + 1]
+            indices = np.where(ovr <= threshold)[0]
+            order = order[indices + 1]
 
         return reserved_boxes
 
diff --git a/model_zoo/official/cv/retinaface_resnet50/scripts/run_distribute_gpu_train.sh b/model_zoo/official/cv/retinaface_resnet50/scripts/run_distribute_gpu_train.sh
index fd8f9cfd6f..4d0c6351f2 100644
--- a/model_zoo/official/cv/retinaface_resnet50/scripts/run_distribute_gpu_train.sh
+++ b/model_zoo/official/cv/retinaface_resnet50/scripts/run_distribute_gpu_train.sh
@@ -7,7 +7,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/scripts/run_standalone_gpu_eval.sh b/model_zoo/official/cv/retinaface_resnet50/scripts/run_standalone_gpu_eval.sh
index 393f445c12..16f8911087 100644
--- a/model_zoo/official/cv/retinaface_resnet50/scripts/run_standalone_gpu_eval.sh
+++ b/model_zoo/official/cv/retinaface_resnet50/scripts/run_standalone_gpu_eval.sh
@@ -7,7 +7,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/augmemtation.py b/model_zoo/official/cv/retinaface_resnet50/src/augmemtation.py
index 775c5f094d..7811fadceb 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/augmemtation.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/augmemtation.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -170,7 +170,7 @@ def get_interp_method(interp, sizes=()):
         Neighbors method. (used by default).
         4: Lanczos interpolation over 8x8 pixel neighborhood.
         9: Cubic for enlarge, area for shrink, bilinear for others
-        10: Random select from interpolation method metioned above.
+        10: Random select from interpolation method mentioned above.
         Note:
         When shrinking an image, it will generally look best with AREA-based
         interpolation, whereas, when enlarging an image, it will generally look best
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/config.py b/model_zoo/official/cv/retinaface_resnet50/src/config.py
index f66e054f42..98cba5beba 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/config.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/config.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/dataset.py b/model_zoo/official/cv/retinaface_resnet50/src/dataset.py
index b786d97384..a6d83bb792 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/dataset.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/dataset.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/loss.py b/model_zoo/official/cv/retinaface_resnet50/src/loss.py
index 19562b89b5..4caf1da277 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/loss.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/loss.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/lr_schedule.py b/model_zoo/official/cv/retinaface_resnet50/src/lr_schedule.py
index 3de5becbb5..e66b64c090 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/lr_schedule.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/lr_schedule.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/network.py b/model_zoo/official/cv/retinaface_resnet50/src/network.py
index 429739fd55..337a4e9aca 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/network.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/network.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/src/utils.py b/model_zoo/official/cv/retinaface_resnet50/src/utils.py
index 197608b50d..e31aec067d 100644
--- a/model_zoo/official/cv/retinaface_resnet50/src/utils.py
+++ b/model_zoo/official/cv/retinaface_resnet50/src/utils.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinaface_resnet50/train.py b/model_zoo/official/cv/retinaface_resnet50/train.py
index 0b1f0b93bb..550d8cbb72 100644
--- a/model_zoo/official/cv/retinaface_resnet50/train.py
+++ b/model_zoo/official/cv/retinaface_resnet50/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinanet/eval.py b/model_zoo/official/cv/retinanet/eval.py
index 88b984dbd2..1c432b857e 100644
--- a/model_zoo/official/cv/retinanet/eval.py
+++ b/model_zoo/official/cv/retinanet/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/retinanet/train.py b/model_zoo/official/cv/retinanet/train.py
index a34728081f..33a8828ab8 100644
--- a/model_zoo/official/cv/retinanet/train.py
+++ b/model_zoo/official/cv/retinanet/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/ssd/eval.py b/model_zoo/official/cv/ssd/eval.py
index 7a5c0e3167..459162f173 100644
--- a/model_zoo/official/cv/ssd/eval.py
+++ b/model_zoo/official/cv/ssd/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/ssd/postprocess.py b/model_zoo/official/cv/ssd/postprocess.py
index aac0dda813..3e0212ede9 100644
--- a/model_zoo/official/cv/ssd/postprocess.py
+++ b/model_zoo/official/cv/ssd/postprocess.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/ssd/train.py b/model_zoo/official/cv/ssd/train.py
index f39d2aa1b8..fbeee76244 100644
--- a/model_zoo/official/cv/ssd/train.py
+++ b/model_zoo/official/cv/ssd/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/eval.py b/model_zoo/official/cv/unet/eval.py
index f3a2cce6f4..a0919fd562 100644
--- a/model_zoo/official/cv/unet/eval.py
+++ b/model_zoo/official/cv/unet/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/export.py b/model_zoo/official/cv/unet/export.py
index 17eb773f40..b2ab03b110 100644
--- a/model_zoo/official/cv/unet/export.py
+++ b/model_zoo/official/cv/unet/export.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/scripts/run_distribute_train.sh b/model_zoo/official/cv/unet/scripts/run_distribute_train.sh
index f00014d27f..5d1555d9e9 100644
--- a/model_zoo/official/cv/unet/scripts/run_distribute_train.sh
+++ b/model_zoo/official/cv/unet/scripts/run_distribute_train.sh
@@ -7,7 +7,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/scripts/run_standalone_eval.sh b/model_zoo/official/cv/unet/scripts/run_standalone_eval.sh
index ded1f908a0..2965138236 100644
--- a/model_zoo/official/cv/unet/scripts/run_standalone_eval.sh
+++ b/model_zoo/official/cv/unet/scripts/run_standalone_eval.sh
@@ -7,7 +7,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/scripts/run_standalone_train.sh b/model_zoo/official/cv/unet/scripts/run_standalone_train.sh
index c8089b5a2b..c5f24633bc 100644
--- a/model_zoo/official/cv/unet/scripts/run_standalone_train.sh
+++ b/model_zoo/official/cv/unet/scripts/run_standalone_train.sh
@@ -7,7 +7,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/config.py b/model_zoo/official/cv/unet/src/config.py
index 2e34a7bd6e..9d7578a5c2 100644
--- a/model_zoo/official/cv/unet/src/config.py
+++ b/model_zoo/official/cv/unet/src/config.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/data_loader.py b/model_zoo/official/cv/unet/src/data_loader.py
index 32f056628e..855007536d 100644
--- a/model_zoo/official/cv/unet/src/data_loader.py
+++ b/model_zoo/official/cv/unet/src/data_loader.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/loss.py b/model_zoo/official/cv/unet/src/loss.py
index 26793bd873..1561e7e184 100644
--- a/model_zoo/official/cv/unet/src/loss.py
+++ b/model_zoo/official/cv/unet/src/loss.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_medical/__init__.py b/model_zoo/official/cv/unet/src/unet_medical/__init__.py
index da537aac8b..515a532a34 100644
--- a/model_zoo/official/cv/unet/src/unet_medical/__init__.py
+++ b/model_zoo/official/cv/unet/src/unet_medical/__init__.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_medical/unet_model.py b/model_zoo/official/cv/unet/src/unet_medical/unet_model.py
index 26d5f271c6..91e884aab4 100644
--- a/model_zoo/official/cv/unet/src/unet_medical/unet_model.py
+++ b/model_zoo/official/cv/unet/src/unet_medical/unet_model.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_medical/unet_parts.py b/model_zoo/official/cv/unet/src/unet_medical/unet_parts.py
index fe002dd5b6..b363b7f750 100644
--- a/model_zoo/official/cv/unet/src/unet_medical/unet_parts.py
+++ b/model_zoo/official/cv/unet/src/unet_medical/unet_parts.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_nested/__init__.py b/model_zoo/official/cv/unet/src/unet_nested/__init__.py
index 6a392415be..d2343ab25a 100644
--- a/model_zoo/official/cv/unet/src/unet_nested/__init__.py
+++ b/model_zoo/official/cv/unet/src/unet_nested/__init__.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_nested/unet_model.py b/model_zoo/official/cv/unet/src/unet_nested/unet_model.py
index bbfba469db..ce7c744a47 100644
--- a/model_zoo/official/cv/unet/src/unet_nested/unet_model.py
+++ b/model_zoo/official/cv/unet/src/unet_nested/unet_model.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/unet_nested/unet_parts.py b/model_zoo/official/cv/unet/src/unet_nested/unet_parts.py
index 8c072a24b8..a69acbba5d 100644
--- a/model_zoo/official/cv/unet/src/unet_nested/unet_parts.py
+++ b/model_zoo/official/cv/unet/src/unet_nested/unet_parts.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/src/utils.py b/model_zoo/official/cv/unet/src/utils.py
index d6bb9d653b..e141e25b91 100644
--- a/model_zoo/official/cv/unet/src/utils.py
+++ b/model_zoo/official/cv/unet/src/utils.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/unet/train.py b/model_zoo/official/cv/unet/train.py
index 37615f7003..f9939c8393 100644
--- a/model_zoo/official/cv/unet/train.py
+++ b/model_zoo/official/cv/unet/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/yolov3_resnet18/eval.py b/model_zoo/official/cv/yolov3_resnet18/eval.py
index f0b069f8a2..1cdddf51c7 100644
--- a/model_zoo/official/cv/yolov3_resnet18/eval.py
+++ b/model_zoo/official/cv/yolov3_resnet18/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/official/cv/yolov3_resnet18/train.py b/model_zoo/official/cv/yolov3_resnet18/train.py
index 30117671e1..b590aac08a 100644
--- a/model_zoo/official/cv/yolov3_resnet18/train.py
+++ b/model_zoo/official/cv/yolov3_resnet18/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/research/cv/ssd_ghostnet/eval.py b/model_zoo/research/cv/ssd_ghostnet/eval.py
index 98093bfec7..4a44fad825 100644
--- a/model_zoo/research/cv/ssd_ghostnet/eval.py
+++ b/model_zoo/research/cv/ssd_ghostnet/eval.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/model_zoo/research/cv/ssd_ghostnet/train.py b/model_zoo/research/cv/ssd_ghostnet/train.py
index 5a9192a770..1774f72f2a 100644
--- a/model_zoo/research/cv/ssd_ghostnet/train.py
+++ b/model_zoo/research/cv/ssd_ghostnet/train.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
@@ -32,7 +32,10 @@ from src.lr_schedule import get_lr
 from src.init_params import init_net_param, filter_checkpoint_parameter
 
 
-def main():
+def get_args():
+    """
+    Parse arguments
+    """
     parser = argparse.ArgumentParser(description="SSD training")
     parser.add_argument("--only_create_dataset", type=ast.literal_eval, default=False,
                         help="If set it true, only create Mindrecord, default is False.")
@@ -47,7 +50,7 @@ def main():
     parser.add_argument("--mode", type=str, default="sink",
                         help="Run sink mode or not, default is sink.")
     parser.add_argument("--dataset", type=str, default="coco",
-                        help="Dataset, defalut is coco.")
+                        help="Dataset, default is coco.")
     parser.add_argument("--epoch_size", type=int, default=500,
                         help="Epoch size, default is 500.")
     parser.add_argument("--batch_size", type=int, default=32,
@@ -63,7 +66,10 @@ def main():
     parser.add_argument("--filter_weight", type=ast.literal_eval, default=False,
                         help="Filter weight parameters, default is False.")
     args_opt = parser.parse_args()
+    return args_opt
 
+def main():
+    args_opt = get_args()
     context.set_context(mode=context.GRAPH_MODE,
                         device_target="Ascend", device_id=args_opt.device_id)
 
diff --git a/tests/st/model_zoo_tests/yolov3/test_yolov3.py b/tests/st/model_zoo_tests/yolov3/test_yolov3.py
index 4a2dae066b..7a991c6244 100644
--- a/tests/st/model_zoo_tests/yolov3/test_yolov3.py
+++ b/tests/st/model_zoo_tests/yolov3/test_yolov3.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
diff --git a/tests/st/model_zoo_tests/yolov3_darknet53/test_yolov3_darknet53.py b/tests/st/model_zoo_tests/yolov3_darknet53/test_yolov3_darknet53.py
index 9b7f48f587..afd8a319d3 100644
--- a/tests/st/model_zoo_tests/yolov3_darknet53/test_yolov3_darknet53.py
+++ b/tests/st/model_zoo_tests/yolov3_darknet53/test_yolov3_darknet53.py
@@ -6,7 +6,7 @@
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# less required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and