From 0d292ab29c39c40618d4687c49f0384985d5c79f Mon Sep 17 00:00:00 2001
From: lxh2875931338 <lxh2875931338@outlook.com>
Date: Mon, 3 Aug 2026 21:51:21 +0800
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---
 frp.go | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/frp.go b/frp.go
index 1462e58..b525ee4 100644
--- a/frp.go
+++ b/frp.go
@@ -25,12 +25,12 @@ var FrpcTemplateContent string
 
 var (
 	cachedFrpcPath string
-	frpsPathMutex  sync.Mutex
+	frpcPathMutex  sync.Mutex
 )
 
 func getFrpcPath() (string, error) {
-	frpsPathMutex.Lock()
-	defer frpsPathMutex.Unlock()
+	frpcPathMutex.Lock()
+	defer frpcPathMutex.Unlock()
 
 	if cachedFrpcPath != "" {
 		if _, err := os.Stat(cachedFrpcPath); err == nil {
@@ -144,7 +144,6 @@ func GenerateFrpcConfig() error {
 		return fmt.Errorf("渲染模板失败: %w", err)
 	}
 
-	// 所有文件写入 ./data/ 目录
 	if err := os.MkdirAll("./data", 0755); err != nil {
 		return fmt.Errorf("创建 data 目录失败: %w", err)
 	}
@@ -219,6 +218,15 @@ func StartFrpc() error {
 		return fmt.Errorf("启动 frpc 失败: %w", err)
 	}
 
+	// 回收子进程（防止僵尸进程）
+	go func() {
+		if err := cmd.Wait(); err != nil {
+			log.Printf("frpc 子进程退出: %v", err)
+		}
+		// 子进程退出后清理 PID 文件
+		os.Remove("./data/frpc.pid")
+	}()
+
 	if err := os.WriteFile("./data/frpc.pid", []byte(fmt.Sprintf("%d", cmd.Process.Pid)), 0644); err != nil {
 		return fmt.Errorf("保存 PID 失败: %w", err)
 	}