diff --git a/TextureHypercompression/entry/src/main/ets/pages/Index.ets b/TextureHypercompression/entry/src/main/ets/pages/Index.ets
index 445a4477ae8628c45c241109deba88a851d3ee24..e417501e57723c6a1f694034ccf38dcb2d11651c 100644
--- a/TextureHypercompression/entry/src/main/ets/pages/Index.ets
+++ b/TextureHypercompression/entry/src/main/ets/pages/Index.ets
@@ -24,7 +24,7 @@ struct Index {
   @Provide('pageInfos') pageInfos: NavPathStack = new NavPathStack();
 
   @Builder
-  PageMap(name: string, param: string) {
+  PageMap(name: string, param: string): void {
     if (name === 'TextureCompression') {
       TextureCompression()
     } else if (name === 'OptimizeWebImagesUsingCDN') {