style[backend-cli]: add z-index

packages/backend-cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@dage/backend-cli",
-  "version": "1.2.4",
+  "version": "1.2.5",
   "description": "创建后台模板",
   "main": "index.js",
   "files": [

packages/backend-cli/template/src/components/FormPageFooter/index.scss

@@ -13,6 +13,7 @@
     height: $height;
     background: white;
     border-top: 1px solid var(--border-color);
+    z-index: 1;
 
     > *:not(:first-child) {
       margin-left: 20px;

packages/docs/docs/components/FileCheckbox/index.md

@@ -77,9 +77,7 @@ export default () => {
     const params = {
       ...val,
       fileIds: fileList.current
-        .map((i: DageFileAPIResponseType) =>
-          !!i.response ? i.response.id : i.uid
-        )
+        .map((i) => (!!i.response ? i.response.id : i.uid))
         .join(),
     };
     message.info(JSON.stringify(params));