diff --git a/module/doc/control.php b/module/doc/control.php
index 99a34b4f7e..fb64db6140 100644
--- a/module/doc/control.php
+++ b/module/doc/control.php
@@ -35,9 +35,8 @@ class doc extends control
     }
 
     /* 浏览某一个产品。*/
-    public function browse($libID = 0, $browseType = 'byModule', $param = 0, $orderBy = 'id_desc', $recTotal = 0, $recPerPage = 20, $pageID = 1)
+    public function browse($libID = 'product', $orderBy = 'id_desc', $recTotal = 0, $recPerPage = 20, $pageID = 1)
     {
-        if($libID == 0) $libID = key($this->libs);
         $this->doc->setMenu($this->libs, $libID);
         $this->display();
     }
diff --git a/www/js/my.js b/www/js/my.js
index d0fe2d804d..4be868b193 100644
--- a/www/js/my.js
+++ b/www/js/my.js
@@ -127,6 +127,21 @@ function switchProduct(productID, module, method, extra)
     location.href=link;
 }
 
+/* 选择文档库*/
+function switchDocLib(libID, module, method, extra)
+{
+    if(module == 'doc')
+    {
+        link = createLink(module, method, "rootID=" + libID);
+    }
+    /* tree，需要单独传递参数。*/
+    else if(module == 'tree')
+    {
+        link = createLink(module, method, "rootID=" + libID + '&type=' + extra);
+    }
+    location.href=link;
+}
+
 /* 记住最后选择的产品id。*/
 function saveProduct()
 {