diff --git a/package.json b/package.json
index d59f1d33..c40065b3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wizard-ui",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "private": false,
   "main": "lib/index.js",
   "module": "esm/index.js",
diff --git a/src/interface.tsx b/src/interface.tsx
index 74e46aaf..e6208e20 100644
--- a/src/interface.tsx
+++ b/src/interface.tsx
@@ -189,7 +189,6 @@ export interface TreeData {
 export interface TreeProps extends RCTreeProps {
   data: TreeData[];
   checkable?: boolean;
-  prefixCls?: string;
   showIcon?: boolean;
   selectable?: boolean;
 }