fix: 修复外部定义了message给覆盖的问题

src/components/NiceForm/index.tsx

@@ -81,12 +81,12 @@ registerValidationRules({
     return str.length > maxByte ? message : "";
   },
   required: (value, desc, rules) => {
-    const { required } = desc;
-    let message = ``
+    const { required, message } = desc;
+    let msg = '';
     if (required) {
-      message += `${intl.formatMessage({id: 'common.bitian'})}`
+      msg = message || `${intl.formatMessage({id: 'common.bitian'})}`;
     }
-    return (required && !isFieldLegal(value)) ? message : ''
+    return (required && !isFieldLegal(value)) ? msg : ''
   }
 });