diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 0cc071de7f..0000000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-  "editor.formatOnSave": true,
-  "editor.defaultFormatter": "esbenp.prettier-vscode",
-  "[javascript]": {
-    "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true,
-    "source.fixAll.stylelint": true
-  },
-
-  //eslint   -----settings start-----
-
-  "eslint.packageManager": "yarn",
-  "eslint.validate": ["javascript", "javascriptreact", "typescript", "typescriptreact"],
-
-  //eslint   -----settings end-----
-
-  //prettier   -----settings start-----
-
-  "prettier.useEditorConfig": false,
-  "prettier.requireConfig": true,
-
-  //prettier   -----settings end-----
-  //pretier   -----settings end-----
-
-  //stylelint   -----settings start-----
-
-  // 防止编辑器内置linter与插件冲突设置
-  "css.validate": false,
-  "less.validate": false,
-  "scss.validate": false,
-  "stylelint.enable": true,
-  "stylelint.packageManager": "yarn",
-  "stylelint.validate": [
-    "css",
-    "html",
-    "less",
-    "markdown",
-    "postcss",
-    "sass",
-    "scss",
-    "source.css.styled",
-    "styled-css",
-    "sugarss",
-    "svelte"
-  ],
-  "typescript.tsdk": "node_modules/typescript/lib"
-
-  //stylelint   -----settings end-----
-}
diff --git a/src/past-time-picker/PastTimePicker.tsx b/src/past-time-picker/PastTimePicker.tsx
index bb4a869988..b0a5e4c3d7 100644
--- a/src/past-time-picker/PastTimePicker.tsx
+++ b/src/past-time-picker/PastTimePicker.tsx
@@ -83,7 +83,7 @@ const PastTimePicker = (props: PastTimePickerProps) => {
 
   const [controlledVisible, setControlledVisible] = useControlledState(popoverVisible, false);
 
-  const [timeRange, setTimeRange] = useControlledState<string | undefined | null>(value, undefined);
+  const [timeRange, setTimeRange] = useControlledState<string | undefined>(value, undefined);
 
   const QUICK_MAPPING = {
     'day:1,0': todayText,
@@ -171,7 +171,7 @@ const PastTimePicker = (props: PastTimePickerProps) => {
   };
 
   const handleOnSelect = (currentValue: string | null) => {
-    setTimeRange(currentValue, true);
+    setTimeRange((!currentValue ? undefined : currentValue) as string | undefined, true);
     setControlledVisible(false);
     onSelect?.(currentValue);
   };