异常类统一系统异常及用户异常返回数据形式

src/Common/Exception/ExceptionData.php

@@ -33,7 +33,7 @@ class ExceptionData
         $data = [
             "code" => $e->getCode(),
             "msg" => $e->getMessage(),
-            "errCode" => is_callable([$e,'getErrCode'])?$e->getErrcode():'',
+            "errCode" => is_callable([$e,'getErrCode'])?$e->getErrcode():-1,
             'path' =>[],
         ];