diff --git a/apps/tools.js b/apps/tools.js
index 0814a03..6e02d9d 100644
--- a/apps/tools.js
+++ b/apps/tools.js
@@ -90,6 +90,8 @@ export class tools extends plugin {
         this.myProxy = `http://${this.proxyAddr}:${this.proxyPort}`;
         // 加载哔哩哔哩配置
         this.biliSessData = this.toolsConfig.biliSessData;
+        // 加载哔哩哔哩的限制时长
+        this.biliDuration = this.toolsConfig.biliDuration;
         // 加载gpt配置
         this.openaiAccessToken = this.toolsConfig.openaiAccessToken;
         // 加载gpt客户端
@@ -326,6 +328,11 @@ export class tools extends plugin {
         // 请求视频信息
         const videoInfo = await getVideoInfo(url);
         const { title, desc, duration, dynamic, stat, aid, cid } = videoInfo;
+        // 限制时长
+        if (duration > this.biliDuration) {
+            e.reply(`当前视频时长约：${(duration / 60).toFixed(0)}分钟，\n大于管理员设置的最大时长 ${this.biliDuration / 60} 分钟！`);
+            return true;
+        }
         // 视频信息
         let { view, danmaku, reply, favorite, coin, share, like } = stat;
         // 数据处理
diff --git a/config/tools.yaml b/config/tools.yaml
index 6d891f7..59cb909 100644
--- a/config/tools.yaml
+++ b/config/tools.yaml
@@ -6,4 +6,6 @@ translateAppId: '' # 百度翻译APP ID
 translateSecret: '' # 百度翻译密匙
 
 biliSessData: '' # 哔哩哔哩的SESSDATA
-openaiAccessToken: '' # 通过获取：https://chat.openai.com/api/auth/session
+biliDuration: 900 # 哔哩哔哩限制的最大视频时长（默认15分钟），单位：秒
+
+openaiAccessToken: '' # 通过获取：https://chat.openai.com/api/auth/session
\ No newline at end of file
diff --git a/guoba.support.js b/guoba.support.js
index bb39c3b..9a104e2 100644
--- a/guoba.support.js
+++ b/guoba.support.js
@@ -86,6 +86,17 @@ export function supportGuoba() {
                         placeholder: "请输入哔哩哔哩SESSDATA",
                     },
                 },
+                {
+                    field: "tools.biliDuration",
+                    label: "哔哩哔哩的视频最大限制时长",
+                    bottomHelpMessage:
+                        "超过时长无法解析，保护服务器性能",
+                    component: "Input",
+                    required: false,
+                    componentProps: {
+                        placeholder: "请输入哔哩哔哩的视频最大限制时长（默认15分钟）",
+                    },
+                },
                 {
                     field: "tools.openaiAccessToken",
                     label: "OpenAI的AccessToken",