diff --git a/routers/models.go b/routers/models.go
index ee7f677..949b7c9 100644
--- a/routers/models.go
+++ b/routers/models.go
@@ -314,8 +314,9 @@ func ModelItemPatch(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// 判断数据类型是否JSON
-	if r.Header.Get("Content-Type") == "application/json" {
+	// 判断数据类型是否JSON(正则匹配)
+	//if r.Header.Get("Content-Type") == "application/json" {
+	if regexp.MustCompile(`application/json`).MatchString(r.Header.Get("Content-Type")) {
 
 		// 取出更新数据
 		var model_new models.Model
@@ -369,7 +370,7 @@ func ModelItemPatch(w http.ResponseWriter, r *http.Request) {
 		if model_new.Progress != 0 && model_new.Progress != model.Progress {
 			model.Progress = model_new.Progress
 		}
-		if model_new.Tags != nil && len(model_new.Tags) != len(model.Tags) {
+		if model_new.Tags != nil {
 			model.Tags = model_new.Tags
 		}