diff --git a/CHANGLOG.md b/CHANGLOG.md
index cec2e6d..4b0f0e2 100644
--- a/CHANGLOG.md
+++ b/CHANGLOG.md
@@ -1,3 +1,7 @@
+## [0.1.14] - 2025-10-17
+### Added
+- fix span lock
+
 ## [0.1.13] - 2025-09-24
 ### Added
 - support custom trace connect ptaas trace
diff --git a/go.mod b/go.mod
index 96c506a..1ad5e42 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/nikolalohinski/gonja/v2 v2.3.1
 	github.com/smartystreets/goconvey v1.8.1
 	github.com/valyala/fasttemplate v1.2.2
-	golang.org/x/sync v0.16.0
+	golang.org/x/sync v0.11.0
 )
 
 require (
@@ -24,10 +24,10 @@ require (
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/smarty/assertions v1.15.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	golang.org/x/arch v0.15.0 // indirect
-	golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 // indirect
-	golang.org/x/sys v0.34.0 // indirect
-	golang.org/x/text v0.27.0 // indirect
+	golang.org/x/arch v0.11.0 // indirect
+	golang.org/x/exp v0.0.0-20240404231335-c0f41cb1a7a0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 )
 
 replace github.com/coze-dev/cozeloop-go/spec => ./spec
diff --git a/go.sum b/go.sum
index 80b6f67..eaf3b9b 100644
--- a/go.sum
+++ b/go.sum
@@ -12,7 +12,7 @@ github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
 github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
 github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
 github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
 github.com/gopherjs/gopherjs v1.17.2 h1:fQnZVsXk8uxXIStYb0N4bGk7jeyTalG/wsZjQ25dO0g=
@@ -48,19 +48,19 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
-golang.org/x/arch v0.15.0 h1:QtOrQd0bTUnhNVNndMpLHNWrDmYzZ2KDqSrEymqInZw=
-golang.org/x/arch v0.15.0/go.mod h1:JmwW7aLIoRUKgaTzhkiEFxvcEiQGyOg9BMonBJUS7EE=
-golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 h1:bsqhLWFR6G6xiQcb+JoGqdKdRU6WzPWmK8E0jxTjzo4=
-golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476/go.mod h1:3//PLf8L/X+8b4vuAfHzxeRUl04Adcb341+IGKfnqS8=
+golang.org/x/arch v0.11.0 h1:KXV8WWKCXm6tRpLirl2szsO5j/oOODwZf4hATmGVNs4=
+golang.org/x/arch v0.11.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
+golang.org/x/exp v0.0.0-20240404231335-c0f41cb1a7a0 h1:985EYyeCOxTpcgOTJpflJUwOeEz0CQOdPt73OzpE9F8=
+golang.org/x/exp v0.0.0-20240404231335-c0f41cb1a7a0/go.mod h1:/lliqkxwWAhPjf5oSOIJup2XcqJaw8RGS6k3TGEc7GI=
 golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
-golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
-golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
-golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/tools v0.20.0 h1:hz/CVckiOxybQvFw6h7b/q80NTr9IUQb4s1IIzW7KNY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/internal/trace/span.go b/internal/trace/span.go
index a40937b..fe467d9 100644
--- a/internal/trace/span.go
+++ b/internal/trace/span.go
@@ -821,6 +821,8 @@ func (s *Span) isDoFinish() bool {
 }
 
 func (s *Span) setSystemTag(ctx context.Context) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
 	if s.SystemTagMap == nil {
 		s.SystemTagMap = make(map[string]interface{})
 	}
@@ -839,9 +841,7 @@ func (s *Span) setSystemTag(ctx context.Context) {
 	}
 	runtime.LoopSDKVersion = internal.Version()
 
-	s.lock.Lock()
 	s.SystemTagMap[tracespec.Runtime_] = util.ToJSON(runtime)
-	s.lock.Unlock()
 }
 
 // SetStatInfo sets statistical data.
@@ -874,6 +874,8 @@ func (s *Span) GetStartTime() time.Time {
 	if s == nil {
 		return time.Time{}
 	}
+	s.lock.RLock()
+	defer s.lock.RUnlock()
 
 	return s.StartTime
 }
@@ -882,6 +884,8 @@ func (s *Span) GetLogID() string {
 	if s == nil {
 		return ""
 	}
+	s.lock.RLock()
+	defer s.lock.RUnlock()
 
 	return s.LogID
 }
@@ -890,6 +894,8 @@ func (s *Span) GetServiceName() string {
 	if s == nil {
 		return ""
 	}
+	s.lock.RLock()
+	defer s.lock.RUnlock()
 
 	return s.ServiceName
 }
@@ -936,13 +942,13 @@ func (s *Span) SetRuntime(ctx context.Context, runtime tracespec.Runtime) {
 	if s == nil {
 		return
 	}
+	s.lock.Lock()
+	defer s.lock.Unlock()
 	if s.SystemTagMap == nil {
 		s.SystemTagMap = make(map[string]interface{})
 	}
 	runtime.Scene = tracespec.VSceneCustom
-	s.lock.Lock()
 	s.SystemTagMap[tracespec.Runtime_] = runtime
-	s.lock.Unlock()
 }
 
 func (s *Span) SetServiceName(ctx context.Context, serviceName string) {
@@ -973,6 +979,8 @@ func (s *Span) GetFinishTime() time.Time {
 	if s == nil {
 		return time.Time{}
 	}
+	s.lock.RLock()
+	defer s.lock.RUnlock()
 
 	return s.FinishTime
 }
diff --git a/internal/version.go b/internal/version.go
index ce704af..8f8c740 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -5,5 +5,5 @@ package internal
 
 // Version returns the version of the loop package.
 func Version() string {
-	return "v0.1.13"
+	return "v0.1.14"
 }