diff --git a/handler/restart/restart.go b/handler/restart/restart.go
index be5e352..d85761f 100644
--- a/handler/restart/restart.go
+++ b/handler/restart/restart.go
@@ -173,7 +173,10 @@ func buildBot() error {
 }
 
 func PullCodeHandler(c *gin.Context) {
-	stuffMutex.Lock()
+	if !stuffMutex.TryLock() {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "有其他请求正在运行，请稍后再试"})
+		return
+	}
 	defer stuffMutex.Unlock()
 	err := util.GitPull()
 	log.Println("拉取代码...")
@@ -186,7 +189,10 @@ func PullCodeHandler(c *gin.Context) {
 }
 
 func BuildBotHandler(c *gin.Context) {
-	stuffMutex.Lock()
+	if !stuffMutex.TryLock() {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "有其他请求正在运行，请稍后再试"})
+		return
+	}
 	defer stuffMutex.Unlock()
 	err := buildBot()
 	log.Println("构建程序...")
@@ -204,7 +210,10 @@ func RestartBotHandler(c *gin.Context) {
 		c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
 		return
 	}
-	stuffMutex.Lock()
+	if !stuffMutex.TryLock() {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "有其他请求正在运行，请稍后再试"})
+		return
+	}
 	defer stuffMutex.Unlock()
 	err := restartProgram()
 	log.Println("重启程序...")