diff --git a/b52.go b/b52.go
index 7ce98ce..b0c3603 100644
--- a/b52.go
+++ b/b52.go
@@ -207,11 +207,11 @@ func (db *b52) Set(key, value []byte, flags uint32, exp int32, size int, noreply
 			db.slave = c
 		}
 		if db.slave != nil && flags != 42 && err == nil {
-			n, e := fmt.Fprintf(db.slave, "set %s 42 0 %d\r\n%s\r\n", key, len(value), value)
-			if e != nil {
-				fmt.Println("slave err", e.Error(), n)
-				db.slave = nil
-			}
+			go fmt.Fprintf(db.slave, "set %s 42 0 %d\r\n%s\r\n", key, len(value), value)
+			//if e != nil {
+			//fmt.Println("slave err", e.Error(), n)
+			//db.slave = nil
+			//}
 		}
 		return
 	}
diff --git a/go.mod b/go.mod
index 496d90d..2ce2e98 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/golang/snappy v0.0.1
 	github.com/kavu/go_reuseport v1.4.0 // indirect
 
-	github.com/recoilme/sniper v0.1.1
+	github.com/recoilme/sniper v0.1.2
 	github.com/tidwall/evio v1.0.2
 
 	github.com/tidwall/lotsa v0.0.0-20190911211615-e96c7fea75f1
diff --git a/go.sum b/go.sum
index 7646de3..c8a4c7d 100644
--- a/go.sum
+++ b/go.sum
@@ -17,6 +17,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/recoilme/sniper v0.1.1 h1:wfbLandgrTMWZNqZ+xDUiK4DDcuIAR5Pm5w/sLnAM9I=
 github.com/recoilme/sniper v0.1.1/go.mod h1:8Q9MpI//VA5hQygl7oyRqym6B5vz/qZNGfF2a5BKNYI=
+github.com/recoilme/sniper v0.1.2 h1:o4GkWvRQL9R8p6aVxamX0S7xmSE0IOUVyEPt0OpBU0Y=
+github.com/recoilme/sniper v0.1.2/go.mod h1:8Q9MpI//VA5hQygl7oyRqym6B5vz/qZNGfF2a5BKNYI=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 h1:qLC7fQah7D6K1B0ujays3HV9gkFtllcxhzImRR7ArPQ=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=