diff --git a/controller/user.go b/controller/user.go
index 01f79179..b9b0393f 100644
--- a/controller/user.go
+++ b/controller/user.go
@@ -458,7 +458,11 @@ func GetUserModels(c *gin.Context) {
 	groups := setting.GetUserUsableGroups(user.Group)
 	var models []string
 	for group := range groups {
-		models = append(models, model.GetGroupModels(group)...)
+		for _, g := range model.GetGroupModels(group) {
+			if !common.StringsContains(models, g) {
+				models = append(models, g)
+			}
+		}
 	}
 	c.JSON(http.StatusOK, gin.H{
 		"success": true,