diff --git a/src/pages/ChatPage.scss b/src/pages/ChatPage.scss
index 953341b..4ccdd2b 100644
--- a/src/pages/ChatPage.scss
+++ b/src/pages/ChatPage.scss
@@ -4132,4 +4132,170 @@
   .session-name {
     font-weight: 500;
   }
+}
+
+// 消息信息弹窗
+.message-info-overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.4);
+  backdrop-filter: blur(4px);
+  z-index: 2000;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.message-info-modal {
+  width: 360px;
+  max-width: 90vw;
+  max-height: 80vh;
+  background: var(--card-bg);
+  border: 1px solid var(--border-color);
+  border-radius: 12px;
+  display: flex;
+  flex-direction: column;
+  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
+  overflow: hidden;
+
+  .detail-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 16px;
+    border-bottom: 1px solid var(--border-color);
+
+    h4 {
+      font-size: 15px;
+      font-weight: 600;
+      color: var(--text-primary);
+      margin: 0;
+    }
+
+    .close-btn {
+      background: none;
+      border: none;
+      padding: 4px;
+      cursor: pointer;
+      color: var(--text-secondary);
+      border-radius: 6px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+
+      &:hover {
+        background: var(--bg-hover);
+        color: var(--text-primary);
+      }
+    }
+  }
+
+  .detail-content {
+    flex: 1;
+    overflow-y: auto;
+    padding: 16px;
+
+    &::-webkit-scrollbar { width: 4px; }
+    &::-webkit-scrollbar-thumb { background: var(--text-tertiary); border-radius: 2px; }
+  }
+
+  .detail-section {
+    margin-bottom: 20px;
+    &:last-child { margin-bottom: 0; }
+
+    .section-title {
+      display: flex;
+      align-items: center;
+      gap: 6px;
+      font-size: 12px;
+      font-weight: 600;
+      color: var(--text-secondary);
+      margin-bottom: 12px;
+      letter-spacing: 0.5px;
+
+      svg { opacity: 0.7; }
+
+      .copy-btn {
+        margin-left: auto;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        width: 22px;
+        height: 22px;
+        padding: 0;
+        border: none;
+        border-radius: 4px;
+        background: transparent;
+        color: var(--text-tertiary);
+        cursor: pointer;
+        &:hover { background: var(--bg-secondary); color: var(--text-primary); }
+      }
+    }
+  }
+
+  .detail-item {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 8px 0;
+    border-bottom: 1px solid var(--border-color);
+    font-size: 13px;
+
+    &:last-child { border-bottom: none; }
+
+    svg { color: var(--text-tertiary); flex-shrink: 0; }
+
+    .label { color: var(--text-secondary); flex-shrink: 0; }
+
+    .value {
+      flex: 1;
+      text-align: right;
+      color: var(--text-primary);
+      word-break: break-all;
+      user-select: text;
+
+      &.highlight { color: var(--primary); font-weight: 600; }
+      &.mono { font-family: 'Consolas', 'Monaco', monospace; font-size: 12px; }
+    }
+
+    .copy-btn {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 22px;
+      height: 22px;
+      padding: 0;
+      border: none;
+      border-radius: 4px;
+      background: transparent;
+      color: var(--text-tertiary);
+      cursor: pointer;
+      flex-shrink: 0;
+      opacity: 0;
+      transition: opacity 0.15s, color 0.15s, background 0.15s;
+
+      &:hover { background: var(--bg-secondary); color: var(--text-primary); }
+      svg { color: inherit; }
+    }
+
+    &:hover .copy-btn { opacity: 1; }
+  }
+
+  .raw-content-box {
+    background: var(--bg-tertiary);
+    border-radius: 8px;
+    padding: 12px;
+    max-height: 200px;
+    overflow: auto;
+
+    pre {
+      margin: 0;
+      white-space: pre-wrap;
+      word-break: break-all;
+      font-family: 'Consolas', 'Monaco', monospace;
+      font-size: 12px;
+      color: var(--text-primary);
+      user-select: text;
+    }
+  }
 }
\ No newline at end of file
diff --git a/src/pages/ChatPage.tsx b/src/pages/ChatPage.tsx
index b2373dd..b795fe4 100644
--- a/src/pages/ChatPage.tsx
+++ b/src/pages/ChatPage.tsx
@@ -324,6 +324,7 @@ function ChatPage(_props: ChatPageProps) {
 
   // 消息右键菜单
   const [contextMenu, setContextMenu] = useState<{ x: number, y: number, message: Message } | null>(null)
+  const [showMessageInfo, setShowMessageInfo] = useState<Message | null>(null)
   const [editingMessage, setEditingMessage] = useState<{ message: Message, content: string } | null>(null)
 
   // 多选模式
@@ -2735,11 +2736,143 @@ function ChatPage(_props: ChatPageProps) {
               <Trash2 size={16} />
               <span>删除消息</span>
             </div>
+            <div className="menu-item" onClick={() => { setShowMessageInfo(contextMenu.message); setContextMenu(null) }}>
+              <Info size={16} />
+              <span>查看消息信息</span>
+            </div>
           </div>
         </>,
         document.body
       )}
 
+      {/* 消息信息弹窗 */}
+      {showMessageInfo && createPortal(
+        <div className="message-info-overlay" onClick={() => setShowMessageInfo(null)}>
+          <div className="message-info-modal" onClick={(e) => e.stopPropagation()}>
+            <div className="detail-header">
+              <h4>消息详情</h4>
+              <button className="close-btn" onClick={() => setShowMessageInfo(null)}>
+                <X size={16} />
+              </button>
+            </div>
+            <div className="detail-content">
+              <div className="detail-section">
+                <div className="detail-item">
+                  <Hash size={14} />
+                  <span className="label">Local ID</span>
+                  <span className="value">{showMessageInfo.localId}</span>
+                  <button className="copy-btn" title="复制" onClick={() => handleCopyField(String(showMessageInfo.localId), 'msgLocalId')}>
+                    {copiedField === 'msgLocalId' ? <Check size={12} /> : <Copy size={12} />}
+                  </button>
+                </div>
+                <div className="detail-item">
+                  <Hash size={14} />
+                  <span className="label">Server ID</span>
+                  <span className="value">{showMessageInfo.serverId}</span>
+                </div>
+                <div className="detail-item">
+                  <span className="label">消息类型</span>
+                  <span className="value highlight">{showMessageInfo.localType}</span>
+                </div>
+                <div className="detail-item">
+                  <span className="label">发送者</span>
+                  <span className="value">{showMessageInfo.senderUsername || '-'}</span>
+                  {showMessageInfo.senderUsername && (
+                    <button className="copy-btn" title="复制" onClick={() => handleCopyField(showMessageInfo.senderUsername!, 'msgSender')}>
+                      {copiedField === 'msgSender' ? <Check size={12} /> : <Copy size={12} />}
+                    </button>
+                  )}
+                </div>
+                <div className="detail-item">
+                  <Calendar size={14} />
+                  <span className="label">创建时间</span>
+                  <span className="value">{new Date(showMessageInfo.createTime * 1000).toLocaleString()}</span>
+                </div>
+                <div className="detail-item">
+                  <span className="label">发送状态</span>
+                  <span className="value">{showMessageInfo.isSend === 1 ? '发送' : '接收'}</span>
+                </div>
+              </div>
+
+              {(showMessageInfo.imageMd5 || showMessageInfo.videoMd5 || showMessageInfo.voiceDurationSeconds != null) && (
+                <div className="detail-section">
+                  <div className="section-title">
+                    <ImageIcon size={14} />
+                    <span>媒体信息</span>
+                  </div>
+                  {showMessageInfo.imageMd5 && (
+                    <div className="detail-item">
+                      <span className="label">Image MD5</span>
+                      <span className="value mono">{showMessageInfo.imageMd5}</span>
+                      <button className="copy-btn" title="复制" onClick={() => handleCopyField(showMessageInfo.imageMd5!, 'imgMd5')}>
+                        {copiedField === 'imgMd5' ? <Check size={12} /> : <Copy size={12} />}
+                      </button>
+                    </div>
+                  )}
+                  {showMessageInfo.imageDatName && (
+                    <div className="detail-item">
+                      <span className="label">DAT 文件</span>
+                      <span className="value mono">{showMessageInfo.imageDatName}</span>
+                    </div>
+                  )}
+                  {showMessageInfo.videoMd5 && (
+                    <div className="detail-item">
+                      <span className="label">Video MD5</span>
+                      <span className="value mono">{showMessageInfo.videoMd5}</span>
+                      <button className="copy-btn" title="复制" onClick={() => handleCopyField(showMessageInfo.videoMd5!, 'vidMd5')}>
+                        {copiedField === 'vidMd5' ? <Check size={12} /> : <Copy size={12} />}
+                      </button>
+                    </div>
+                  )}
+                  {showMessageInfo.voiceDurationSeconds != null && (
+                    <div className="detail-item">
+                      <Mic size={14} />
+                      <span className="label">语音时长</span>
+                      <span className="value">{showMessageInfo.voiceDurationSeconds}秒</span>
+                    </div>
+                  )}
+                </div>
+              )}
+
+              {(showMessageInfo.emojiMd5 || showMessageInfo.emojiCdnUrl) && (
+                <div className="detail-section">
+                  <div className="section-title">
+                    <span>表情包信息</span>
+                  </div>
+                  {showMessageInfo.emojiMd5 && (
+                    <div className="detail-item">
+                      <span className="label">MD5</span>
+                      <span className="value mono">{showMessageInfo.emojiMd5}</span>
+                    </div>
+                  )}
+                  {showMessageInfo.emojiCdnUrl && (
+                    <div className="detail-item">
+                      <span className="label">CDN URL</span>
+                      <span className="value mono">{showMessageInfo.emojiCdnUrl}</span>
+                    </div>
+                  )}
+                </div>
+              )}
+
+              {showMessageInfo.localType !== 1 && (showMessageInfo.rawContent || showMessageInfo.content) && (
+                <div className="detail-section">
+                  <div className="section-title">
+                    <span>原始消息内容</span>
+                    <button className="copy-btn" title="复制" onClick={() => handleCopyField(showMessageInfo.rawContent || showMessageInfo.content || '', 'rawContent')}>
+                      {copiedField === 'rawContent' ? <Check size={12} /> : <Copy size={12} />}
+                    </button>
+                  </div>
+                  <div className="raw-content-box">
+                    <pre>{showMessageInfo.rawContent || showMessageInfo.content}</pre>
+                  </div>
+                </div>
+              )}
+            </div>
+          </div>
+        </div>,
+        document.body
+      )}
+
       {/* 修改消息弹窗 */}
       {editingMessage && createPortal(
         <div className="modal-overlay">