From 071b657418cccdab721e549108b6b6cf8a1b7361 Mon Sep 17 00:00:00 2001
From: Jony4 <g.sunshineboy@gmail.com>
Date: Fri, 5 Apr 2019 08:00:48 +0800
Subject: [PATCH] fix TagSettings' map  has "":"" value (#2372)

---
 model_struct.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/model_struct.go b/model_struct.go
index 9e93db63..194bcfdc 100644
--- a/model_struct.go
+++ b/model_struct.go
@@ -625,6 +625,9 @@ func (scope *Scope) GetStructFields() (fields []*StructField) {
 func parseTagSetting(tags reflect.StructTag) map[string]string {
 	setting := map[string]string{}
 	for _, str := range []string{tags.Get("sql"), tags.Get("gorm")} {
+		if str == "" {
+			continue
+		}
 		tags := strings.Split(str, ";")
 		for _, value := range tags {
 			v := strings.Split(value, ":")