Merge pull request '解决新用户注册修改个人信息无缺省语言的问题' (#178) from fix-177 into V20210731

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/178

routers/user/auth.go

@@ -535,17 +535,23 @@ func handleSignInFull(ctx *context.Context, u *models.User, remember bool, obeyR
 		log.Error("Unable to store session: %v", err)
 	}
 
-	// Language setting of the user use the one previously set
-	if len(ctx.GetCookie("lang")) != 0 {
-		u.Language = ctx.GetCookie("lang")
-	}
 	// If the user does not have a locale set, we save the current one.
 	if len(u.Language) == 0 {
-		u.Language = ctx.Locale.Language()
+		if len(ctx.GetCookie("lang")) != 0 {
+			u.Language = ctx.GetCookie("lang")
+		} else {
+			u.Language = ctx.Locale.Language()
+		}
+
 		if err := models.UpdateUserCols(u, "language"); err != nil {
 			log.Error(fmt.Sprintf("Error updating user language [user: %d, locale: %s]", u.ID, u.Language))
 			return setting.AppSubURL + "/"
 		}
+	} else {
+		// Language setting of the user use the one previously set
+		if len(ctx.GetCookie("lang")) != 0 {
+			u.Language = ctx.GetCookie("lang")
+		}
 	}
 
 	ctx.SetCookie("lang", u.Language, nil, setting.AppSubURL, setting.SessionConfig.Domain, setting.SessionConfig.Secure, true)