fix

src/modules/plan-manage/components/BasicInfo.jsx

@@ -80,11 +80,19 @@ class BasicInfo extends React.Component {
       this.props.onChange('coverId', null);
     }, 1000);
   };
+
   handleSelectCover = (file) => {
+
+    if(file){
       this.setState({
         visible: true,
         imageFile: file,
       });
+    }else{
+      message.warning('请选择文件！')
+    }
+
+    
   };
   //获取resourceId
   getSignature = (blob, fileName) => {