diff --git a/flossom-ui/src/views/system/mode/index.vue b/flossom-ui/src/views/system/mode/index.vue
index 1547d32..872898e 100644
--- a/flossom-ui/src/views/system/mode/index.vue
+++ b/flossom-ui/src/views/system/mode/index.vue
@@ -219,6 +219,7 @@
             :before-upload="beforeBannerUpload"
             :on-remove="handleRemoveBanner">
             <i class="el-icon-plus"></i>
+            <div slot="tip" class="el-upload__tip">只能上传jpg/png图片</div>
           </el-upload>
           <el-dialog :visible.sync="dialogVisible">
             <img width="100%" :src="dialogImageUrl" alt="">