diff --git a/_server/css/editor.css b/_server/css/editor.css
index 2b14dd45..642fd168 100644
--- a/_server/css/editor.css
+++ b/_server/css/editor.css
@@ -150,6 +150,13 @@ body {
     height: 416px;
 }
 
+#lastUsedDiv {
+    height: auto;
+    bottom: 0;
+    margin-top: 20px;
+    overflow: hidden;
+}
+
 #mid .tools {
     position: absolute;
     width: 425px;
diff --git a/_server/editor.js b/_server/editor.js
index 6f9481f3..0d649107 100644
--- a/_server/editor.js
+++ b/_server/editor.js
@@ -406,7 +406,6 @@ editor.prototype.updateLastUsedMap = function () {
     ctx.lineWidth = 4;
     for (var i = 0; i < editor.uivalues.lastUsed.length; ++i) {
         var x = i % core.__SIZE__, y = parseInt(i / core.__SIZE__);
-        if (y >= 5) break;
         var info = editor.uivalues.lastUsed[i];
         if (!info || !info.images) continue;
         if (info.isTile) {
diff --git a/editor.html b/editor.html
index ebad73b2..9622674b 100644
--- a/editor.html
+++ b/editor.html
@@ -358,8 +358,8 @@
     </div>
     <div id="mid2">
         <p style="margin: 10px">最近使用的图块列表：</p>
-        <div class="map" style="height: 160px; margin-top: 25px" id="lastUsedDiv">
-            <canvas class='gameCanvas' id='lastUsed' width='416' height='160'></canvas>
+        <div class="map" id="lastUsedDiv">
+            <canvas id='lastUsed' width='416' height='416' style="overflow: hidden"></canvas>
         </div>
     </div>
     <div id="right">