增加break

android/src/main/java/com/amap/flutter/location/AMapFlutterLocationPlugin.java

@@ -55,6 +55,7 @@ public class AMapFlutterLocationPlugin implements FlutterPlugin, MethodCallHandl
                 break;
             case "calculateDistance":
                 calculateDistance((Map) call.arguments,result);
+                break;
             default:
                 result.notImplemented();
                 break;
@@ -104,11 +105,7 @@ public class AMapFlutterLocationPlugin implements FlutterPlugin, MethodCallHandl
         double lat2 = (double) argsMap.get("lat2");
         double lng2 = (double) argsMap.get("lng2");
         double distance = AMapLocationClientImpl.calculateDistance(lat1, lng1, lat2, lng2);
-        try {
-            result.success(distance);
-        }catch (IllegalStateException e){
-            e.printStackTrace();
-        }
+        result.success(distance);
     }
 
     /**