diff --git a/task.go b/task.go
index 05725f1..937af1f 100644
--- a/task.go
+++ b/task.go
@@ -97,24 +97,25 @@ func (d *dispatch) Run(ctx context.Context, cfg *Config) *Result {
 	defer func() {
 		result.FinishTime = time.Now().UnixNano()
 		result.Used = result.FinishTime - result.StartTime
-		if e := recover(); nil != e {
-			switch e.(type) {
-			case runtime.Error: // 运行时错误
-				result.Err = fmt.Errorf("出现运行时Panic : %v", e)
-			default: // 非运行时错误
-				result.Err = fmt.Errorf("出现其他场景Panic : %v", e)
-			}
-		}
 	}()
 	d.lock.RLock()
 	if taskInstance, exist = d.taskTable[cfg.TaskName]; !exist {
 		result.Err = fmt.Errorf("%v 任务未注册", cfg.TaskName)
 	}
+	d.lock.RUnlock()
 	result.TaskRunID = taskInstance.GetRunID()
 	result.TaskDescription = taskInstance.Description()
 	if cfg.Async {
 		// 异步运行
 		go func() {
+			if e := recover(); nil != e {
+				switch e.(type) {
+				case runtime.Error: // 运行时错误
+					result.Err = fmt.Errorf("出现运行时Panic : %v", e)
+				default: // 非运行时错误
+					result.Err = fmt.Errorf("出现其他场景Panic : %v", e)
+				}
+			}
 			result.Data, result.Err = taskInstance.Execute(ctx, cfg)
 		}()
 	} else {