diff --git a/api/@ohos.arkui.StateManagement.d.ts b/api/@ohos.arkui.StateManagement.d.ts
index 71a7627a2761ee983cddbfe57d2b3fd7391cc712..0dd72341dbf686962175e67e89e06be6c0cfe80e 100644
--- a/api/@ohos.arkui.StateManagement.d.ts
+++ b/api/@ohos.arkui.StateManagement.d.ts
@@ -499,5 +499,5 @@ export declare class MutableBinding<T> {
    * @atomicservice
    * @since 20
    */
-  set value(newValue: T): void;
+  set value(newValue: T);
 }
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