diff --git a/handler/tool.go b/handler/tool.go
index f4945ab..1a86aff 100644
--- a/handler/tool.go
+++ b/handler/tool.go
@@ -677,19 +677,25 @@ func handleGiteeCallback(c *gin.Context) {
 	if err != nil {
 		fmt.Println("Decoding error:", err)
 	} else {
-		decodedStr := string(decodedBytes)
-		//json解析
-		var state proto.ThirdPartyLoginState
-		err = json.Unmarshal([]byte(decodedStr), &state)
-		log.Println("handle github callback state:", decodedStr, "\tcode:", code)
-		if err != nil {
-			log.Println("json unmarshal error:", err)
+		if code == "" || stateBase64Str == "" {
+			log.Println("code or state is empty")
+		} else {
+			decodedStr := string(decodedBytes)
+			//json解析
+			var state proto.ThirdPartyLoginState
+			err = json.Unmarshal([]byte(decodedStr), &state)
+			if err != nil {
+				log.Println("json unmarshal error:", err)
+			} else {
+				log.Println("handle github callback state:", decodedStr, "\tcode:", code)
+				service.DoGiteeCallBack(&state, code)
+			}
 		}
-		service.DoGiteeCallBack(&state, code)
 	}
 	resp.Code = 0
 	resp.Message = "success"
 	c.JSON(http.StatusOK, resp)
+	c.Redirect(http.StatusFound, "https://sv.ljsea.top/") //重定向到登录页面
 }
 
 func GetGithubAuthUrl(c *gin.Context) {