diff --git a/package.json b/package.json
index 4d2841d..22ed0a3 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "rc-test": "^7.0.14",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "typescript": "^4.0.2"
+    "typescript": "^5.0.0"
   },
   "peerDependencies": {
     "react": ">=16.9.0",
diff --git a/src/interface.ts b/src/interface.ts
index 838446a..7a36bed 100644
--- a/src/interface.ts
+++ b/src/interface.ts
@@ -53,9 +53,9 @@ export interface CollapsePanelProps extends React.DOMAttributes<HTMLDivElement>
   accordion?: boolean;
   forceRender?: boolean;
   extra?: string | React.ReactNode;
-  onItemClick?: (panelKey: string | number) => void;
+  onItemClick?: (panelKey: React.Key) => void;
   expandIcon?: (props: object) => React.ReactNode;
-  panelKey?: string | number;
+  panelKey?: React.Key;
   role?: string;
   collapsible?: CollapsibleType;
   children?: React.ReactNode;