fix 取消同期上下限/均线/标准差的默认图例

src/views/dataEntry_manage/components/addAverageDialog.vue

@@ -122,9 +122,10 @@ export default {
         isShow(newval){
             if(newval){
                 Object.assign(this.averageForm,this.formData)
-                if(!this.averageForm.Legend){
+                /* if(!this.averageForm.Legend){
                     this.getLegend()
-                }
+                } */
+                this.$refs.averageFormRef.clearValidate()
             }
         }
     },