1 files changed, 2 insertions, 0 deletions
diff --git a/init.go b/init.go
index da00c80..6bb8efd 100644
--- a/init.go
+++ b/init.go
@@ -38,7 +38,9 @@ func (me *TreeInfo) catchActionChannel() {
 			muAction.Lock()
 			me.WaitOK()
 			// time.Sleep(10 * time.Millisecond)
+			me.Lock()
 			me.doAction(a)
+			me.Unlock()
 			muAction.Unlock()
 		}
 	}