diff --git a/go.mod b/go.mod
index a56d42f78a74aa3c69dd2dc11c40bea21cf1b3ca..fdc1489d02b5be44391e7af84b207005545689f4 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module gitee.com/go-libs/redis
 go 1.18
 
 require (
-	gitee.com/go-libs/config v1.0.1
+	gitee.com/go-libs/config v1.0.3
 	gitee.com/go-wares/log v0.1.10
 	github.com/go-redis/redis/v8 v8.11.5
 )
diff --git a/go.sum b/go.sum
index 2f26fc7e29726743ddfbbdd3266a4122e9deaa9a..6c57b978a2d3404ffb702448983ddb0089db6e3e 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-gitee.com/go-libs/config v1.0.1 h1:9q+pfk7g9xX/t87foZ81inNcyysDLCBqhbX78mh76vA=
-gitee.com/go-libs/config v1.0.1/go.mod h1:azzGgnpQ4cTP7EXl7uctzfZ0L+y+v7JGYf65qfSwsXs=
+gitee.com/go-libs/config v1.0.3 h1:dxNXDqelPxTxjmxc27lJCdQA+/IkYV8wOdd0qIhQeJM=
+gitee.com/go-libs/config v1.0.3/go.mod h1:azzGgnpQ4cTP7EXl7uctzfZ0L+y+v7JGYf65qfSwsXs=
 gitee.com/go-wares/log v0.1.10 h1:DGvvH6DOF8YXLcBTqABGGhkrwe+OhmD3sV9W6NHcB4E=
 gitee.com/go-wares/log v0.1.10/go.mod h1:HDs8rnqgyYDGzrUM+SNJx6/R1MK7JpKG5jqAY1HIW/o=
 github.com/IBM/sarama v1.43.1 h1:Z5uz65Px7f4DhI/jQqEm/tV9t8aU+JUdTyW/K/fCXpA=
diff --git a/src/config.go b/src/config.go
index 5faf80ecd80d356c5ed2ea82be1ccb75dbac6002..66cc44791f1d6871e35764d3f7ff0090f41d653b 100644
--- a/src/config.go
+++ b/src/config.go
@@ -49,7 +49,7 @@ type Config struct {
 
 // After
 // is an event handler that called by config.Resource, Do not call directly.
-func (o *Config) After() (err error) {
+func (o *Config) After() {
 	if o.Host == "" {
 		o.Host = DefaultHost
 	}
@@ -81,6 +81,4 @@ func (o *Config) After() (err error) {
 	if o.WriteTimeout == 0 {
 		o.WriteTimeout = DefaultTimeoutWrite
 	}
-
-	return
 }
diff --git a/src/connector.go b/src/connector.go
index 0c48ce8aa890edc1aafdf1c58fcc10ccfd23b262..75aa4b2bc6b18b664b847fc5b96d0afc587251e3 100644
--- a/src/connector.go
+++ b/src/connector.go
@@ -168,8 +168,7 @@ func (o *connector) init() *connector {
 
 	// Scan
 	// config fields from file resource then build connection pool.
-	if o.err = o.configFile.ScanYaml(o.config); o.err == nil {
-		o.build()
-	}
+	o.err = o.configFile.ScanYaml(o.config)
+	o.build()
 	return o
 }