diff --git a/electron/main/deeplink.ts b/electron/main/deeplink.ts
index fc20cb2c..d34aa9fe 100644
--- a/electron/main/deeplink.ts
+++ b/electron/main/deeplink.ts
@@ -99,6 +99,25 @@ export function handleCommandLine(commandLine: string[]) {
           `Deep link: invalid search format, expected /pkgname, got ${url.pathname}`,
         );
       }
+    } else if (action === "store") {
+      // Format: spk://store/category/pkgname (legacy format)
+      // url.pathname will be '/category/pkgname'
+      const pathParts = url.pathname.split("/").filter(Boolean);
+      // 老协议格式: spk://store/category/pkgname
+      // 现在忽略 category，直接使用 pkgname 查找应用
+      const pkgname = pathParts.length >= 2 ? pathParts[1] : pathParts[0];
+      if (pkgname) {
+        query.pkgname = pkgname;
+        logger.info(
+          `Deep link: store legacy format query found: ${JSON.stringify(query)}`,
+        );
+        // 使用 search 事件来处理，前端会根据 pkgname 直接打开应用详情
+        listeners.emit("search", query);
+      } else {
+        logger.warn(
+          `Deep link: invalid store format, expected /category/pkgname, got ${url.pathname}`,
+        );
+      }
     } else {
       logger.warn(`Deep link: unknown action ${action}`);
     }
diff --git a/src/App.vue b/src/App.vue
index 66656155..71235a53 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1146,7 +1146,28 @@ onMounted(async () => {
   window.ipcRenderer.on(
     "deep-link-search",
     (_event: IpcRendererEvent, data: { pkgname: string }) => {
-      searchQuery.value = data.pkgname;
+      // 根据包名直接打开应用详情
+      const tryOpen = () => {
+        const target = apps.value.find((a) => a.pkgname === data.pkgname);
+        if (target) {
+          openDetail(target);
+        } else {
+          // 如果找不到应用，回退到搜索模式
+          searchQuery.value = data.pkgname;
+          logger.warn(`Deep link: app ${data.pkgname} not found, fallback to search`);
+        }
+      };
+
+      if (loading.value) {
+        const stop = watch(loading, (val) => {
+          if (!val) {
+            tryOpen();
+            stop();
+          }
+        });
+      } else {
+        tryOpen();
+      }
     },
   );