增加上传接口状态判断，调整loading的时机

src/views/ppt_manage/newVersion/pptEditor.vue

@@ -623,8 +623,18 @@ export default {
       this.isChartLoading = true
       const params = new FormData();
 			params.append('Image',$event.src)
-      const { Data } = await dataBaseInterface.uploadImg(params);
-      this.imgUrl = Data.ResourceUrl
+      const res = await dataBaseInterface.uploadImg(params);
+      if(!res||res&&res.Ret!==200){
+        this.isChartLoading = false
+        return
+      }
+      const {Data} = res
+      if(!Data){
+        this.$message.warning("上传图片失败")
+        this.isChartLoading = false
+        return
+      }
+      this.imgUrl = Data.ResourceUrl||''
       /* this.imgUrl = $event.src */
       //console.log('OK',$event)
       let temp_elements = this.addElement(