diff --git a/ling_chair_http/handler.js b/ling_chair_http/handler.js
index 9cc3e49..a95680d 100644
--- a/ling_chair_http/handler.js
+++ b/ling_chair_http/handler.js
@@ -638,12 +638,16 @@ class ChatMsgAdapter {
             while ($(ele).attr("tag") != "msg-card")
                 ele = ele.parentNode
             e = $(ele)
+
+            let rawText = e.find("#raw-msg-content").text()
+            let text = e.find("#msg-content").text()
+
             let menuHtml = $.parseHTML(`<ul class="mdui-menu menu-on-message">
             <li class="mdui-menu-item">
-              <a onclick="copyText(\`${e.find("#msg-content").text()}\`)" class="mdui-ripple">复制</a>
+              <a onclick="copyText(CachedString.getAndRecycle('${CachedString.addToList(text)}'))" class="mdui-ripple">复制</a>
             </li>
             <li class="mdui-menu-item">
-              <a onclick="mdui.alert(\`${e.find("#raw-msg-content").text()}\`, '消息原文', () => { }, { confirmText: '关闭' })" class="mdui-ripple">原文</a>
+              <a onclick="mdui.alert(CachedString.getAndRecycle('${CachedString.addToList(rawText)}'), '消息原文', () => { }, { confirmText: '关闭' })" class="mdui-ripple">原文</a>
             </li>
             <li class="mdui-menu-item">
               <a onclick="mdui.alert('未制作功能', '提示', () => { }, { confirmText: '关闭' })" class="mdui-ripple">转发</a>
diff --git a/ling_chair_http/utils.js b/ling_chair_http/utils.js
index 15d6ffa..9b2d5c6 100644
--- a/ling_chair_http/utils.js
+++ b/ling_chair_http/utils.js
@@ -208,6 +208,45 @@ class Hash {
     }
 }
 
+class CachedString {
+    static cache = {}
+    /**
+     * 添加缓存文本
+     * @param {String} 欲缓存的文本 
+     * @returns {String} 该文本的ID
+     */
+    static addToList(str) {
+        let id = Hash.sha256(str)
+        this.cache[id] = str
+        return id
+    }
+    /**
+     * 回收字符
+     * @param {String} 该文本的ID 
+     */
+    static recycle(id) {
+        this.cache[id] = null
+    }
+    /**
+     * 根据ID获取文本
+     * @param {String} 该文本的ID 
+     * @returns {String} 文本
+     */
+    static get(id) {
+        return this.cache[id]
+    }
+    /**
+     * 根据ID获取文本并回收
+     * @param {String} 该文本的ID 
+     * @returns {String} 文本
+     */
+     static getAndRecycle(id) {
+        let t = this.get(id)
+        this.recycle(id)
+        return t
+    }
+}
+
 window.copyText = copyText
 window.NData = NData
 window.escapeHTML = escapeHTML
@@ -216,3 +255,4 @@ window.checkEmpty = checkEmpty
 window.sleep = sleep 
 window.Hash = Hash
 window.通知 = 通知
+window.CachedString = CachedString