优化页面、修复BUG

server/utils/response.go

@@ -31,14 +31,9 @@ func SuccessWithMsg(c *gin.Context, msg string, result interface{}) {
 	})
 }
 
-// Error 错误响应 (默认 Code 400)
+// Error 错误响应，HTTP 状态恒为 200，通过 code 区分业务状态
 func Error(c *gin.Context, code int, msg string) {
-	httpStatus := http.StatusBadRequest
-	if code == 500 {
-		httpStatus = http.StatusInternalServerError
-	}
-
-	c.JSON(httpStatus, Response{
+	c.JSON(http.StatusOK, Response{
 		Code:    code,
 		Message: msg,
 		Result:  nil,
@@ -47,7 +42,7 @@ func Error(c *gin.Context, code int, msg string) {
 
 // ServerError 服务器错误 (Code 500)
 func ServerError(c *gin.Context, err error) {
-	c.JSON(http.StatusInternalServerError, Response{
+	c.JSON(http.StatusOK, Response{
 		Code:    500,
 		Message: err.Error(),
 		Result:  nil,