fix: 修改容器创建和启动失败时的日志记录，确保在达到最大重试次数后返回而不是终止程序

service/exec/exec.go

@@ -37,7 +37,8 @@ func init() {
 			if err := container.CreateAndStartContainer(); err != nil {
 				retryCount++
 				if retryCount > maxRetries {
-					log.Fatalf("Failed to create and start container after %d retries: %v", maxRetries, err)
+					log.Printf("Failed to create and start container after %d retries: %v", maxRetries, err)
+					return
 				}
 				log.Printf("CreateAndStartContainer failed (attempt %d/%d): %v", retryCount, maxRetries, err)
 				time.Sleep(2 * time.Second)