diff --git a/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java b/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
index 3ba4a82..250b8c0 100644
--- a/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
+++ b/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
@@ -91,7 +91,7 @@ public void handle(final HttpServerRequest request, final HttpServerResponse res
         }
 
         if (file.isDirectory()) {
-            if (uri.endsWith("/")) {
+            if (uri.endsWith(StringPool.SLASH)) {
                 final String html = getFileListing(file, uri);
                 response.html(html);
             } else {