增加切割参数异常报错

src/main/java/org/wlld/imageRecognition/Operation.java

@@ -61,6 +61,7 @@ public class Operation {//进行计算
     public void colorStudy(ThreeChannelMatrix threeChannelMatrix, int tag, List<Specifications> specificationsList) throws Exception {
         Watershed watershed = new Watershed(threeChannelMatrix.getMatrixRGB(), specificationsList, templeConfig);
         List<RegionBody> regionBodies = watershed.rainfall();
+        if (regionBodies.size() == 1) {
             RegionBody regionBody = regionBodies.get(0);
             int minX = regionBody.getMinX() + dif;
             int minY = regionBody.getMinY() + dif;
@@ -103,6 +104,9 @@ public class Operation {//进行计算
                         break;
                 }
             }
+        } else {
+            throw new Exception("Parameter exception");
+        }
     }
 
     private void knnStudy(int tagging, Matrix vector) throws Exception {