diff --git a/apps/help.js b/apps/help.js
index 46f57ed..a273e43 100644
--- a/apps/help.js
+++ b/apps/help.js
@@ -16,17 +16,13 @@ export class help extends plugin {
             priority: 500,
             rule: [
                 {
-                    reg: '^#*R(插件)?(命令|帮助|菜单|help|说明|功能|指令|使用说明)$',
+                    reg: '^#*(R|r)(插件)?(命令|帮助|菜单|help|说明|功能|指令|使用说明)$',
                     fnc: 'help'
                 }
             ]
         })
     }
 
-    /**
-     * rule - 闲心插件帮助
-     * @returns
-     */
     async help () {
         let data = await Help.get(this.e)
         if (!data) return
diff --git a/utils/acfun.js b/utils/acfun.js
index ab129c5..5be5be6 100644
--- a/utils/acfun.js
+++ b/utils/acfun.js
@@ -136,11 +136,20 @@ function mergeAcFileToMp4(tsNames, FullFileName, outputFileName, shouldDelete =
     fs.writeFileSync(ffmpegList, concatStrs.join("\n"));
     const outPath = path.resolve(outputFileName);
 
+    // 执行命令
     let cmd = 'ffmpeg';
-    const env = {
-        ...process.env,
-        PATH: '/usr/local/bin:' + child_process.execSync('echo $PATH').toString(),
-    };
+    // 判断当前环境
+    let env;
+    if (process.platform === "win32") {
+        env = process.env
+    } else if (process.platform === "linux") {
+        env = {
+            ...process.env,
+            PATH: '/usr/local/bin:' + child_process.execSync('echo $PATH').toString(),
+        };
+    } else {
+        console.log("暂时不支持当前操作系统！")
+    }
 
     return new Promise((resolve, reject) => {
         child_process.exec(
diff --git a/utils/bilibili.js b/utils/bilibili.js
index e2d388e..bc19a45 100644
--- a/utils/bilibili.js
+++ b/utils/bilibili.js
@@ -63,10 +63,19 @@ function getDownloadUrl (url) {
 
 function mergeFileToMp4 (vFullFileName, aFullFileName, outputFileName, shouldDelete = true) {
     let cmd = 'ffmpeg';
-    const env = {
-        ...process.env,
-        PATH: '/usr/local/bin:' + child_process.execSync('echo $PATH').toString(),
-    };
+
+    // 判断当前环境
+    let env;
+    if (process.platform === "win32") {
+        env = process.env
+    } else if (process.platform === "linux") {
+        env = {
+            ...process.env,
+            PATH: '/usr/local/bin:' + child_process.execSync('echo $PATH').toString(),
+        };
+    } else {
+        console.log("暂时不支持当前操作系统！")
+    }
 
     return new Promise((resolve, reject) => {
         child_process.exec(