update

mymysql/mysql.go

@@ -48,7 +48,7 @@ func Instance(key ...string) *gorm.DB {
 
 	instance, ok := instanceMap[key0]
 	if !ok {
-		panic(fmt.Errorf("%s not config", key))
+		panic(fmt.Errorf("mysql %s not config", key0))
 	}
 	return instance
 }