登录的验证报错修改

@@ -138,8 +138,10 @@
                         }
                     }).catch(error => {
                         let msg = error.message;
+                        let errResponse = error.response.statusText;
+                        let defaultLoginErr = "登录失败";
                         this.$message({
-                            message: msg,
+                            message: defaultLoginErr,
                             type: "error"
                         });
                         this.logining = false;