diff --git a/libs/actions.js b/libs/actions.js
index 8ac8964f..4c0e2d67 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -1188,8 +1188,8 @@ actions.prototype.clickToolbox = function(x,y) {
     }
     // 下一页
     if ((x == 8 || x == 9) && y == 12) {
-        var toolPage = parseInt(Object.keys(core.status.hero.items.tools).length/12)+1,
-            constantPage = parseInt(Object.keys(core.status.hero.items.constants).length/12)+1;
+        var toolPage = Math.ceil(Object.keys(core.status.hero.items.tools).length/12),
+            constantPage = Math.ceil(Object.keys(core.status.hero.items.constants).length/12);
         if (page<toolPage) {
             core.ui.drawToolbox(12*page);
         }
diff --git a/libs/ui.js b/libs/ui.js
index eab5c194..1b24ed8e 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -1490,7 +1490,7 @@ ui.prototype.drawToolbox = function(index) {
     }
 
     var page = parseInt((index%1000)/12)+1;
-    var totalPage = parseInt(Math.max(tools.length, constants.length)/12)+1;
+    var totalPage = Math.ceil(Math.max(tools.length, constants.length)/12);
 
     if (!core.hasItem(selectId)) selectId=null;