fix cuda version check

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

mindspore/_version_check.py

@@ -82,13 +82,13 @@ class GPUEnvChecker(EnvChecker):
                 f"No such directory: {self.cuda_bin}, please check if cuda is installed correctly.")
 
     def check_version(self):
-        v = self._read_version(self.cuda_version)
         if not Path(self.cuda_version).is_file():
             logger.warning("Using custom cuda path, cuda version checking is skiped, please make sure "
-                           "Ascend 910 AI software package version is supported, you can reference to the installation "
-                           "guidelines https://www.mindspore.cn/install")
+                           "cuda version is supported, you can reference to the installation guidelines "
+                           "https://www.mindspore.cn/install")
             return
 
+        v = self._read_version(self.cuda_version)
         v = version.parse(v)
         v_str = str(v.major) + "." + str(v.minor)
         if v_str not in self.version:

mindspore/context.py

@@ -562,7 +562,7 @@ def set_context(**kwargs):
     # set device target first
     if 'device_target' in kwargs:
         ctx.set_device_target(kwargs['device_target'])
-        device = kwargs['device_target']
+        device = ctx.get_param(ms_ctx_param.device_target)
         if not device.lower() in __device_target__:
             raise ValueError(f"Error, package type {__package_name__} support device type {__device_target__}, "
                              f"but got device target {device}")