diff --git a/.idea/material_theme_project_new.xml b/.idea/material_theme_project_new.xml
new file mode 100644
index 0000000..742ea13
--- /dev/null
+++ b/.idea/material_theme_project_new.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MaterialThemeProjectNewConfig">
+    <option name="metadata">
+      <MTProjectMetadataState>
+        <option name="migrated" value="true" />
+        <option name="pristineConfig" value="false" />
+        <option name="userId" value="-2c559ac1:1867c4c9349:-8000" />
+        <option name="version" value="8.13.2" />
+      </MTProjectMetadataState>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/typings/bulletScreen.d.ts b/typings/bulletScreen.d.ts
index d65732b..10dfc18 100644
--- a/typings/bulletScreen.d.ts
+++ b/typings/bulletScreen.d.ts
@@ -1,4 +1,4 @@
-import { BulletStyle, pushItem, screenElement, ScreenOpsTypes } from '@/interface/screen';
+import { AnimationPlayState, BulletStyle, pushItem, screenElement, ScreenOpsTypes } from '@/interface/screen';
 declare type queueType = [pushItem, HTMLElement, (BulletStyle | undefined)];
 declare class BulletScreen {
     target: HTMLElement;
@@ -30,7 +30,7 @@ declare class BulletScreen {
      * @param Item
      */
     getRenderDom(Item: pushItem): JSX.Element;
-    _toggleAnimateStatus: (id: string | null, status?: string) => void;
+    _toggleAnimateStatus: (id: string | null, status?: AnimationPlayState) => void;
     pause(id?: string | null): void;
     resume(id?: string | null): void;
     hide(): void;
diff --git a/typings/constants/common.d.ts b/typings/constants/common.d.ts
new file mode 100644
index 0000000..5b52b09
--- /dev/null
+++ b/typings/constants/common.d.ts
@@ -0,0 +1,9 @@
+export declare const TRACK_STATUS: {
+    free: string;
+    feed: string;
+    occupied: string;
+};
+export declare const ANIMATION_PLAY_STATE: {
+    paused: string;
+    running: string;
+};
diff --git a/typings/interface/screen.d.ts b/typings/interface/screen.d.ts
index 1d2d0a7..1b1b4b8 100644
--- a/typings/interface/screen.d.ts
+++ b/typings/interface/screen.d.ts
@@ -29,4 +29,6 @@ interface BulletStyle {
     top?: string;
     bottom?: string;
 }
-export type { pushItem, screenElement, ScreenOpsTypes, pushItemObj, BulletStyle, };
+declare type AnimationPlayState = 'running' | 'paused';
+declare type TrackStatus = 'idle' | 'feed' | 'running';
+export type { pushItem, screenElement, ScreenOpsTypes, pushItemObj, BulletStyle, AnimationPlayState, TrackStatus };
diff --git a/typings/src/bulletScreen.d.ts b/typings/src/bulletScreen.d.ts
index d65732b..10dfc18 100644
--- a/typings/src/bulletScreen.d.ts
+++ b/typings/src/bulletScreen.d.ts
@@ -1,4 +1,4 @@
-import { BulletStyle, pushItem, screenElement, ScreenOpsTypes } from '@/interface/screen';
+import { AnimationPlayState, BulletStyle, pushItem, screenElement, ScreenOpsTypes } from '@/interface/screen';
 declare type queueType = [pushItem, HTMLElement, (BulletStyle | undefined)];
 declare class BulletScreen {
     target: HTMLElement;
@@ -30,7 +30,7 @@ declare class BulletScreen {
      * @param Item
      */
     getRenderDom(Item: pushItem): JSX.Element;
-    _toggleAnimateStatus: (id: string | null, status?: string) => void;
+    _toggleAnimateStatus: (id: string | null, status?: AnimationPlayState) => void;
     pause(id?: string | null): void;
     resume(id?: string | null): void;
     hide(): void;
diff --git a/typings/src/constants/common.d.ts b/typings/src/constants/common.d.ts
new file mode 100644
index 0000000..5b52b09
--- /dev/null
+++ b/typings/src/constants/common.d.ts
@@ -0,0 +1,9 @@
+export declare const TRACK_STATUS: {
+    free: string;
+    feed: string;
+    occupied: string;
+};
+export declare const ANIMATION_PLAY_STATE: {
+    paused: string;
+    running: string;
+};
diff --git a/typings/src/interface/screen.d.ts b/typings/src/interface/screen.d.ts
index 1d2d0a7..1b1b4b8 100644
--- a/typings/src/interface/screen.d.ts
+++ b/typings/src/interface/screen.d.ts
@@ -29,4 +29,6 @@ interface BulletStyle {
     top?: string;
     bottom?: string;
 }
-export type { pushItem, screenElement, ScreenOpsTypes, pushItemObj, BulletStyle, };
+declare type AnimationPlayState = 'running' | 'paused';
+declare type TrackStatus = 'idle' | 'feed' | 'running';
+export type { pushItem, screenElement, ScreenOpsTypes, pushItemObj, BulletStyle, AnimationPlayState, TrackStatus };