diff --git a/client/circuit_breaker.go b/client/circuit_breaker.go
index 653ec5d..541993c 100644
--- a/client/circuit_breaker.go
+++ b/client/circuit_breaker.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/client/client.go b/client/client.go
index 674d3e1..3cc1a0c 100644
--- a/client/client.go
+++ b/client/client.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/client/retry.go b/client/retry.go
index 370b856..7b6b448 100644
--- a/client/retry.go
+++ b/client/retry.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/client/rpc_timeout.go b/client/rpc_timeout.go
index b9a59d7..bd536fe 100644
--- a/client/rpc_timeout.go
+++ b/client/rpc_timeout.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/client/suite.go b/client/suite.go
index dfc2fac..8b851b3 100644
--- a/client/suite.go
+++ b/client/suite.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/example/client/kitex_client.ini b/example/client/kitex_client.ini
index f854243..1f93105 100644
--- a/example/client/kitex_client.ini
+++ b/example/client/kitex_client.ini
@@ -1,19 +1,23 @@
-[Timeout]
+[ClientName/ServiceName]
 RPCTimeoutMS = 100
 ConnTimeoutMS = 2000
 
-[Circuitbreaker]
+[ClientName/ServiceName.Circuitbreaker.Echo]
 Enable = true
 ErrRate = 0.3
 MinSample = 100
 
-[Retry]
+[ClientName/ServiceName.Retry.*]
 Enable = true
 Type = 0
 
-[StopPolicy]
+[ClientName/ServiceName.Retry.Echo]
+Enable = true
+Type = 1
+
+[ClientName/ServiceName.Retry.*.FailurePolicy.StopPolicy]
 MaxRetryTimes = 2
 MaxDurationMS = 1000
 
-[CBPolicy]
+[ClientName/ServiceName.Retry.*.CBPolicy]
 ErrorRate = 0.2
\ No newline at end of file
diff --git a/example/client/main.go b/example/client/main.go
index 6044fc3..f2c9560 100644
--- a/example/client/main.go
+++ b/example/client/main.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -48,6 +48,7 @@ const (
 type MyParser struct{}
 
 // one example for custom parser
+// if the type of client config is json or yaml,just using default parser
 func (p *MyParser) Decode(kind parser.ConfigType, data []byte, config interface{}) error {
 	cfg, err := ini.Load(data)
 	if err != nil {
@@ -67,11 +68,11 @@ func (p *MyParser) Decode(kind parser.ConfigType, data []byte, config interface{
 	stop := &retry.StopPolicy{}
 	cb := &retry.CBPolicy{}
 
-	cfg.Section("Timeout").MapTo(timeout)
-	cfg.Section("Circuitbreaker").MapTo(circ)
-	cfg.Section("Retry").MapTo(ret)
-	cfg.Section("StopPolicy").MapTo(stop)
-	cfg.Section("CBPolicy").MapTo(cb)
+	cfg.Section(key).MapTo(timeout)
+	cfg.Section("ClientName/ServiceName.Circuitbreaker.Echo").MapTo(circ)
+	cfg.Section("ClientName/ServiceName.Retry.*").MapTo(ret)
+	cfg.Section("ClientName/ServiceName.Retry.*.FailurePolicy.StopPolicy").MapTo(stop)
+	cfg.Section("ClientName/ServiceName.Retry.*.CBPolicy").MapTo(cb)
 	stop.CBPolicy = *cb
 	ret.FailurePolicy = &retry.FailurePolicy{
 		StopPolicy: *stop,
diff --git a/example/server/kitex_server.ini b/example/server/kitex_server.ini
index 846621b..6ecb48b 100644
--- a/example/server/kitex_server.ini
+++ b/example/server/kitex_server.ini
@@ -1,3 +1,3 @@
-[ServiceName]
+[ServiceName.Limit]
 ConnectionLimit = 300
 QPSLimit = 200
\ No newline at end of file
diff --git a/example/server/main.go b/example/server/main.go
index 711dfaa..6cfaa1b 100644
--- a/example/server/main.go
+++ b/example/server/main.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -53,6 +53,7 @@ func (s *EchoImpl) Echo(ctx context.Context, req *api.Request) (resp *api.Respon
 type MyParser struct{}
 
 // one example for custom parser
+// if the type of client config is json or yaml,just using default parser
 func (p *MyParser) Decode(kind parser.ConfigType, data []byte, config interface{}) error {
 	cfg, err := ini.Load(data)
 	if err != nil {
@@ -62,7 +63,7 @@ func (p *MyParser) Decode(kind parser.ConfigType, data []byte, config interface{
 	sfm := make(parser.ServerFileManager, 0)
 
 	sfc := &parser.ServerFileConfig{}
-	cfg.Section(serviceName).MapTo(sfc)
+	cfg.MapTo(sfc)
 	sfm[key] = sfc
 
 	v := config.(*parser.ServerFileManager)
diff --git a/filewatcher/filewatcher.go b/filewatcher/filewatcher.go
index 69818b9..dadf6f8 100644
--- a/filewatcher/filewatcher.go
+++ b/filewatcher/filewatcher.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/mock/filewatcher_mock.go b/mock/filewatcher_mock.go
index 35f57d5..8ea0c12 100644
--- a/mock/filewatcher_mock.go
+++ b/mock/filewatcher_mock.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/monitor/monitor.go b/monitor/monitor.go
index 09df905..04c6c1c 100644
--- a/monitor/monitor.go
+++ b/monitor/monitor.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/monitor/monitor_test.go b/monitor/monitor_test.go
index 9105b9d..9f936ce 100644
--- a/monitor/monitor_test.go
+++ b/monitor/monitor_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/parser/client.go b/parser/client.go
index 7a98800..a9e6c48 100644
--- a/parser/client.go
+++ b/parser/client.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/parser/parser.go b/parser/parser.go
index 305dae0..2b30b2d 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/parser/server.go b/parser/server.go
index 0acf360..3d0dedf 100644
--- a/parser/server.go
+++ b/parser/server.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@ import "github.com/cloudwego/kitex/pkg/limiter"
 
 // ServerFileConfig is config of a service
 type ServerFileConfig struct {
-	Limit limiter.LimiterConfig `mapstructure:"limit" ini:"ServiceName"`
+	Limit limiter.LimiterConfig `mapstructure:"limit" ini:"ServiceName.Limit"`
 }
 
 // ServerFileManager is a map of service names to ServerFileConfig
diff --git a/server/limit.go b/server/limit.go
index 468121a..92d81e3 100644
--- a/server/limit.go
+++ b/server/limit.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/server/server.go b/server/server.go
index 673e637..cdf9f02 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/server/suite.go b/server/suite.go
index e4574ed..4732dde 100644
--- a/server/suite.go
+++ b/server/suite.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/utils/set.go b/utils/set.go
index 597f225..7b7cb3c 100644
--- a/utils/set.go
+++ b/utils/set.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/utils/set_test.go b/utils/set_test.go
index 1013b79..94ec404 100644
--- a/utils/set_test.go
+++ b/utils/set_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/utils/utils.go b/utils/utils.go
index 0eacd61..014c064 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -1,4 +1,4 @@
-// Copyright 2023 CloudWeGo Authors
+// Copyright 2024 CloudWeGo Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.