处理错误

routers/models.go

@@ -42,12 +42,15 @@ func ModelsPost(w http.ResponseWriter, r *http.Request) {
 		var model models.Model
 		body, err := ioutil.ReadAll(r.Body)
 		if err != nil {
-			log.Println(err)
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
 			return
 		}
 		defer r.Body.Close()
+
 		if err = json.Unmarshal(body, &model); err != nil {
-			log.Println(err)
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
 			return
 		}