diff --git a/controllers/cms_task.go b/controllers/cms_task.go
index 1023178f0..5c2a1561e 100644
--- a/controllers/cms_task.go
+++ b/controllers/cms_task.go
@@ -2,6 +2,8 @@ package controllers
 
 import (
 	"fmt"
+	"runtime"
+	"time"
 
 	"git.rosy.net.cn/jx-callback/business/jxutils"
 
@@ -69,6 +71,8 @@ func (c *TaskController) UnmanageTasks() {
 		var taskIDs []string
 		if err = jxutils.Strings2Objs(params.TaskIDs, &taskIDs); err == nil {
 			tasksch.UnmanageTasks(taskIDs)
+			runtime.GC()
+			time.Sleep(3 * time.Second)
 		}
 		return retVal, "", err
 	})