diff --git a/_server/editor.js b/_server/editor.js
index 8704fea1..6f282c4c 100644
--- a/_server/editor.js
+++ b/_server/editor.js
@@ -423,6 +423,7 @@ editor.prototype.setLastUsedType = function (type) {
 
 editor.prototype.updateLastUsedMap = function () {
     var lastUsed = editor.uivalues.lastUsed.sort(function (a, b) {
+        if ((a.istop || 0) != (b.istop || 0)) return (b.istop || 0) - (a.istop || 0);
         return (b[editor.uivalues.lastUsedType] || 0) - (a[editor.uivalues.lastUsedType] || 0);
     });
 
@@ -430,6 +431,7 @@ editor.prototype.updateLastUsedMap = function () {
     var ctx = editor.dom.lastUsedCtx;
     ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
     ctx.strokeStyle = 'rgba(255,128,0,0.85)';
+    ctx.fillStyle = 'rgba(255,0,0,0.85)';
     ctx.lineWidth = 4;
     for (var i = 0; i < lastUsed.length; ++i) {
         try {
@@ -444,6 +446,9 @@ editor.prototype.updateLastUsedMap = function () {
                 var per_height = info.images.endsWith('48') ? 48 : 32;
                 ctx.drawImage(core.material.images[info.images], 0, info.y * per_height, 32, per_height, x * 32, y * 32, 32, 32);
             }
+            if (info.istop) {
+                ctx.fillRect(32 * x, 32 * y + 24, 8, 8);
+            }
             if (selectBox.isSelected() && editor.info.id == info.id) {
                 ctx.strokeRect(32 * x + 2, 32 * y + 2, 28, 28);
             }
diff --git a/_server/editor_listen.js b/_server/editor_listen.js
index 7fff8ff5..f5994f4e 100644
--- a/_server/editor_listen.js
+++ b/_server/editor_listen.js
@@ -35,6 +35,7 @@ editor_listen_wrapper = function (editor) {
         editor.dom.clearLoc.onmousedown = editor.uifunctions.clearLoc_click
 
         editor.dom.lastUsed.onmousedown = editor.uifunctions.lastUsed_click;
+        editor.dom.lastUsed.oncontextmenu = function (e) { e.preventDefault(); }
         editor.dom.clearLastUsedBtn.onclick = editor.uifunctions.clearLastUsedBtn_click;
         editor.dom.lockMode.onchange = editor.uifunctions.lockMode_onchange;
 
diff --git a/_server/editor_mappanel.js b/_server/editor_mappanel.js
index e84a600d..f6c7687c 100644
--- a/_server/editor_mappanel.js
+++ b/_server/editor_mappanel.js
@@ -792,21 +792,33 @@ editor_mappanel_wrapper = function (editor) {
         var index = x + core.__SIZE__ * y;
         if (index >= editor.uivalues.lastUsed.length) return;
         var lastUsed = editor.uivalues.lastUsed.sort(function (a, b) {
+            if ((a.istop || 0) != (b.istop || 0)) return (b.istop || 0) - (a.istop || 0);
             return (b[editor.uivalues.lastUsedType] || 0) - (a[editor.uivalues.lastUsedType] || 0);
         });
+
+        if (e.button == 2) {
+            lastUsed[index].istop = lastUsed[index].istop ? 0 : 1;
+            printf("已"+(lastUsed[index].istop ? '置顶' : '取消置顶')+"该图块");
+            editor.config.set('lastUsed', editor.uivalues.lastUsed);
+            editor.updateLastUsedMap();
+            return false;
+        }
         var one = Object.assign({}, lastUsed[index]);
         delete one['recent'];
         delete one['frequent'];
+        delete one['istop'];
         editor.setSelectBoxFromInfo(one);
-        return;
+        return false;
     }
 
     editor.uifunctions.clearLastUsedBtn_click = function () {
         if (editor.isMobile) return;
-
-        editor.uivalues.lastUsed = [];
-        editor.config.set('lastUsed', []);
-        editor.updateLastUsedMap();
+ 
+        if (confirm("你确定要清理全部最近使用图块么？\n所有最近使用和最常使用图块（含置顶图块）都将被清除；此过程不可逆！")) {
+            editor.uivalues.lastUsed = [];
+            editor.config.set('lastUsed', []);
+            editor.updateLastUsedMap();
+        }
     }
 
     /////////////////////////////////////////////////////////////////////////////
diff --git a/editor.html b/editor.html
index fda967c7..c5dcf5b9 100644
--- a/editor.html
+++ b/editor.html
@@ -366,7 +366,7 @@
         </div>
     </div>
     <div id="mid2">
-        <p style="margin: 10px"><span id='lastUsedTitle'></span>（Ctrl+滚轮放缩） <button id='clearLastUsedBtn'>清除</button></p>
+        <p style="margin: 10px"><span id='lastUsedTitle'></span><small>（Ctrl+滚轮放缩，右键置顶）</small> <button id='clearLastUsedBtn'>清除</button></p>
         <div class="map" id="lastUsedDiv">
             <canvas id='lastUsed' width='416' height='416' style="overflow: hidden"></canvas>
         </div>