diff --git a/plugins/file-manager/plugin.js b/plugins/file-manager/plugin.js
index 70cbb33..6a5c0a4 100644
--- a/plugins/file-manager/plugin.js
+++ b/plugins/file-manager/plugin.js
@@ -32,7 +32,7 @@ function handleConn(conn) {
 // ============================================================================
 
 function handleRequest(req) {
-  var path = req.path;
+  var path = req.path.split("?")[0];
   var method = req.method;
 
   // 静态页面