fix

mec-im/src/main/java/com/ym/filter/GlobalExceptionHandlerAdvice.java

@@ -105,6 +105,6 @@ public class GlobalExceptionHandlerAdvice {
     }
 
     private BaseResponse<Object> getResponseData(ErrorEnum err, String errMsg) {
-        return new BaseResponse<>(err, errMsg, "");
+        return new BaseResponse<>(err, errMsg, null);
     }
 }