diff --git a/theme/src/client/composables/sidebar.ts b/theme/src/client/composables/sidebar.ts
index f36323a37..92927d594 100644
--- a/theme/src/client/composables/sidebar.ts
+++ b/theme/src/client/composables/sidebar.ts
@@ -95,6 +95,7 @@ export function getSidebar(routePath: string, routeLocal: string): ResolvedSideb
     return resolveSidebarItems(_sidebar, routeLocal)
   }
   else if (isPlainObject(_sidebar)) {
+    routePath = decodeURIComponent(routePath)
     const dir
       = Object.keys(_sidebar)
         .sort((a, b) => b.split('/').length - a.split('/').length)
diff --git a/theme/src/node/prepare/prepareSidebar.ts b/theme/src/node/prepare/prepareSidebar.ts
index 69974f7fb..4d2b7c625 100644
--- a/theme/src/node/prepare/prepareSidebar.ts
+++ b/theme/src/node/prepare/prepareSidebar.ts
@@ -93,8 +93,8 @@ function getAutoDirSidebar(
 
   while (nowIndex < maxIndex) {
     pages = pages.sort((prev, next) => {
-      const pi = prev.splitPath?.[nowIndex]?.match(/(\d+)\.(?=[^/]+$)/)?.[1]
-      const ni = next.splitPath?.[nowIndex]?.match(/(\d+)\.(?=[^/]+$)/)?.[1]
+      const pi = prev.splitPath?.[nowIndex]?.match(/(?:(\d+)\.)?(?=[^/]+$)/)?.[1]
+      const ni = next.splitPath?.[nowIndex]?.match(/(?:(\d+)\.)?(?=[^/]+$)/)?.[1]
       if (!pi || !ni)
         return 0
       return Number.parseFloat(pi) < Number.parseFloat(ni) ? -1 : 1