fix: HTTPData

internal/utils/resp.go

@@ -2,14 +2,13 @@ package utils
 
 type HTTPData struct {
 	Code int         `json:"code"`
-	Msg  string      `json:"msg"`
-	Data interface{} `json:"data"`
+	Msg  string      `json:"msg,omitempty"`
+	Data interface{} `json:"data,omitempty"`
 }
 
 func ReturnHTTPSuccess(val interface{}) HTTPData {
 	rtndata := HTTPData{
 		Code: 0,
-		Msg:  "",
 		Data: val,
 	}
 	return rtndata