diff --git a/.gitignore b/.gitignore
index 135b147937..25cf086b53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 *.so
 *.dylib
 *.jar
+*.log
 
 # Test binary, build with `go test -c`
 *.test
diff --git a/registry/zookeeper/registry.go b/registry/zookeeper/registry.go
index ea7e342d63..87726e81a0 100644
--- a/registry/zookeeper/registry.go
+++ b/registry/zookeeper/registry.go
@@ -108,6 +108,7 @@ func newMockZkRegistry(url *common.URL, opts ...gxzookeeper.Option) (*zk.TestClu
 	if err != nil {
 		return nil, nil, err
 	}
+	r.WaitGroup().Add(1)
 	go zookeeper.HandleClientRestart(r)
 	r.InitListeners()
 	return c, r, nil