diff --git a/.github/workflows/publish-collector-agent.yml b/.github/workflows/publish-collector-agent.yml
index 5720b459..a6bd3f7d 100644
--- a/.github/workflows/publish-collector-agent.yml
+++ b/.github/workflows/publish-collector-agent.yml
@@ -3,6 +3,7 @@ name: publish-collector-agent
 on:
   release:
     types: [created]
+  workflow_dispatch:
 
 permissions:
     contents: write
@@ -10,7 +11,7 @@ permissions:
 
 env:
   REGISTRY_IMAGE: ghcr.io/${{ github.repository }}/collector-agent
-  TAG_NAME: ${{ github.head_ref || github.ref_name }} 
+  TAG_NAME: 0.7
 
 jobs:
   collector-agent:
@@ -58,9 +59,6 @@ jobs:
         with:
           context: collector-agent
           platforms: ${{ matrix.platform }}
-          # tags: |
-          #   ghcr.io/${{ github.repository }}/collector-agent:${{ inputs.tag }}
-          #   ghcr.io/${{ github.repository }}/collector-agent:latest
           github-token: ${{ secrets.GITHUB_TOKEN }}
           labels: ${{ steps.meta.outputs.labels }}
           outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
@@ -115,10 +113,11 @@ jobs:
 
       - name: Inspect image
         run: |
-          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ env.TAG_NAME }}
 
   Release-Collector-agent:
     runs-on: ubuntu-latest
+    if: github.event_name == 'release'
     strategy:
       matrix:
         # build and publish in parallel: linux/386, linux/amd64, linux/arm64, windows/386, windows/amd64, darwin/amd64, darwin/arm64
@@ -132,7 +131,7 @@ jobs:
       id: release-ca
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        goversion: "https://dl.google.com/go/go1.18.10.linux-amd64.tar.gz"
+        goversion: 1.19
         goos: ${{ matrix.goos }}
         goarch: ${{ matrix.goarch }}
         project_path: "collector-agent"
diff --git a/.gitignore b/.gitignore
index 50e51cc3..505fa967 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,4 +84,5 @@ x86
 output
 config.nice.bat
 configure.bat
-configure.js
\ No newline at end of file
+configure.js
+*.cap
\ No newline at end of file
diff --git a/DOC/C-CPP/Readme.md b/DOC/C-CPP/Readme.md
index 98f780e9..3d5d7483 100644
--- a/DOC/C-CPP/Readme.md
+++ b/DOC/C-CPP/Readme.md
@@ -20,20 +20,11 @@ While, check examples `src/CPP/test_pinpoint.cpp` and `src/CPP/test_pinpoint.c`.
 
 ```shell
 include(FetchContent)
+
 FetchContent_Declare(
-  pinpoint
-  GIT_REPOSITORY https://github.com/pinpoint-c-agent/pinpoint-c-agent.git
-  # GIT_TAG        74bc39d813d664cb56b78b1506d91932c8131396 
-  # not recommended, please use hash key like `74bc39d813d664cb56b78b1506d91932c8131396`
-  GIT_TAG        origin/v0.5.0
+  pinpoint 
+  URL https://github.com/pinpoint-apm/pinpoint-c-agent/releases/download/v0.7/pinpoint-common.tar.gz
 )
-
-FetchContent_GetProperties(pinpoint)
-if (NOT pinpoint_POPULATED)
-    FetchContent_Populate(pinpoint)
-    add_subdirectory(${pinpoint_SOURCE_DIR}/common ${pinpoint_BINARY_DIR})
-endif ()
-
 FetchContent_MakeAvailable(pinpoint)
 
 add_executable(app test_pinpoint.cpp)
diff --git a/DOC/collector-agent/Readme-CN.md b/DOC/collector-agent/Readme-CN.md
index d5ab9368..61889f71 100644
--- a/DOC/collector-agent/Readme-CN.md
+++ b/DOC/collector-agent/Readme-CN.md
@@ -39,7 +39,7 @@ pinpoint-collector的桥接模块
 #### 例子:
 
 ```sh
-docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:latest
+docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
 ```
 
 ### 3. K8S 中以sidecar 模式运行
@@ -47,7 +47,7 @@ docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoin
 server.yaml sample
 
 ``` yml
-- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:v0.6.4
+- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
         name: collector-agent
         args: ["-RecvBufSize=1048576"]
         securityContext:
@@ -75,7 +75,7 @@ server.yaml sample
 
 ### 4. 手动编译 [require `go.1.18`]
 
-- 执行: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@dev`
+- 执行: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@0.7`
   - ❗❗❗Note: collector-agent: located into `/usr/local/bin/`
 
 `./collector-agent`
diff --git a/DOC/collector-agent/Readme-KR.md b/DOC/collector-agent/Readme-KR.md
index 3c1a87c1..806baa04 100644
--- a/DOC/collector-agent/Readme-KR.md
+++ b/DOC/collector-agent/Readme-KR.md
@@ -39,7 +39,7 @@ pinpoint-collector의 브리지 모듈
 #### 예시:
 
 ```sh
-docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:latest
+docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
 ```
 
 ### 3. K8S에서 sidecar 모드로 실행
@@ -47,7 +47,7 @@ docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoin
 server.yaml sample
 
 ``` yml
-- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:v0.6.4
+- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
         name: collector-agent
         args: ["-RecvBufSize=1048576"]
         securityContext:
@@ -75,7 +75,7 @@ server.yaml sample
 
 ### 4. 수동 컴파일 [require `go.1.18`]
 
-- 실행: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@dev`
+- 실행: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@0.7`
   - ❗❗❗Note: collector-agent: located into `/usr/local/bin/`
 
 `./collector-agent`
diff --git a/DOC/collector-agent/Readme.md b/DOC/collector-agent/Readme.md
index e4ff323f..f3d3d50f 100644
--- a/DOC/collector-agent/Readme.md
+++ b/DOC/collector-agent/Readme.md
@@ -39,7 +39,7 @@ A bridger to pinpoint-collector.
 #### Example:
 
 ```sh
-docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:latest
+docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
 ```
 
 ### 3. K8s side car
@@ -47,7 +47,7 @@ docker run -itd -p 9999:9999  --env-file ./env.list ghcr.io/pinpoint-apm/pinpoin
 server.yaml sample
 
 ``` yml
-- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:v0.6.4
+- image: ghcr.io/pinpoint-apm/pinpoint-c-agent/collector-agent:0.7
         name: collector-agent
         args: ["-RecvBufSize=1048576"]
         securityContext:
@@ -75,7 +75,7 @@ server.yaml sample
 
 ### 4. Compiling from source [require `go.1.18`]
 
-- Install: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@dev`
+- Install: `GOBIN=/usr/local/bin/ go install github.com/pinpoint-apm/pinpoint-c-agent/collector-agent@v0.7`
   - ❗❗❗Note: collector-agent: located into `/usr/local/bin/`
   
 `./collector-agent`
diff --git a/collector-agent/1.cap b/collector-agent/1.cap
deleted file mode 100644
index bfd93f5b..00000000
Binary files a/collector-agent/1.cap and /dev/null differ
diff --git a/collector-agent/common/config.go b/collector-agent/common/config.go
index cb392dd2..8c446601 100644
--- a/collector-agent/common/config.go
+++ b/collector-agent/common/config.go
@@ -28,7 +28,6 @@ type UserSetting struct {
 	LoggerLevel  string
 	LoggerDir    string
 	LogStdout    bool
-	Profile      bool
 }
 
 func (u *UserSetting) String() string {
diff --git a/collector-agent/makefile b/collector-agent/makefile
index 34fe96a5..9b4cb0ea 100644
--- a/collector-agent/makefile
+++ b/collector-agent/makefile
@@ -1,5 +1,5 @@
 
-TAG ?=v0.6.4
+TAG ?=v0.7
 
 .PHONY: default
 default: server ;
diff --git a/collector-agent/server.go b/collector-agent/server.go
index e775c57f..f67d7d5b 100644
--- a/collector-agent/server.go
+++ b/collector-agent/server.go
@@ -25,6 +25,7 @@ var (
 	log_level       = flag.String("LogLevel", "debug", "Set logging output level(debug/info/warn/error); eg: -LogLevel=info")
 	server_recv_buf = flag.Int("RecvBufSize", 4096*100, "Set recv buf; eg: -RecvBufSize=409600")
 	enable_profile  = flag.Bool("EnableProfile", false, "enable net/http/pprof")
+	show_version    = flag.Bool("v", false, "show current version and exit")
 )
 
 func parseConfig() *common.Config {
@@ -38,7 +39,6 @@ func parseConfig() *common.Config {
 		LoggerLevel:  *log_level,
 		LogStdout:    *log_stdout,
 		LoggerDir:    *log_dir,
-		Profile:      *enable_profile,
 	}
 	if ip, ok := os.LookupEnv("PP_COLLECTOR_AGENT_SPAN_IP"); ok {
 		if port, ok := os.LookupEnv("PP_COLLECTOR_AGENT_SPAN_PORT"); ok {
@@ -87,7 +87,12 @@ func main() {
 
 	config := parseConfig()
 
-	if config.User.Profile {
+	if *show_version {
+		fmt.Fprintf(os.Stderr, "collector-agent:%s \r\n", server.Version)
+		return
+	}
+
+	if *enable_profile {
 		go func() {
 			log.Println(http.ListenAndServe("0.0.0.0:8081", nil))
 			runtime.SetBlockProfileRate(1)
diff --git a/collector-agent/server/Server.go b/collector-agent/server/Server.go
index 62dc0e7d..6d60b5c6 100644
--- a/collector-agent/server/Server.go
+++ b/collector-agent/server/Server.go
@@ -20,7 +20,7 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-var Version = "v0.6.4"
+var Version = "0.7"
 
 type Server struct {
 	listener        net.Listener
diff --git a/common/CHANGES.md b/common/CHANGES.md
index 96b3ebee..7fdfa940 100644
--- a/common/CHANGES.md
+++ b/common/CHANGES.md
@@ -1,4 +1,4 @@
-## v0.6.0 
+## v0.6.0 2024-10-10
 - refactor span json protocol
 - add async api
 - data structure change: multiple map to list
diff --git a/common/readme.md b/common/readme.md
index 67961361..8aa81a45 100644
--- a/common/readme.md
+++ b/common/readme.md
@@ -4,6 +4,6 @@
 
 ```shell
 $ cmake -DWITH_TEST_CASE=1 -DWITH_CODECOVERAGE=1 -DCMAKE_BUILD_TYPE=Debug  .. 
-$ ./bin/TestCommon --gtest_filter=node.wakeTrace
+$ ./bin/TestCommon
 ```
 
diff --git a/testapps/cpp/pinpoint_helper.h b/testapps/cpp/pinpoint_helper.h
index 59607e9f..508ab381 100644
--- a/testapps/cpp/pinpoint_helper.h
+++ b/testapps/cpp/pinpoint_helper.h
@@ -24,6 +24,7 @@
 #include <string>
 #include <utility>
 
+// per-thread context id
 static thread_local NodeID local_node_id = E_ROOT_NODE;
 
 namespace pinpoint {
@@ -60,7 +61,7 @@ async(F &&f, Args &&... args) {
                     E_LOC_CURRENT);
   pinpoint_add_clue(local_node_id, PP_SERVER_TYPE, PP_INVOCATION_CALL_TYPE,
                     E_LOC_CURRENT);
-
+  // a random number for avoiding ID collision
   int32_t async_id = random() % 99999;
   std::string async_id_str = std::to_string(async_id);
   pinpoint_add_clue(local_node_id, PP_ASYNC_CALL_ID, async_id_str.c_str(),
@@ -79,12 +80,12 @@ async(F &&f, Args &&... args) {
 
   size = pinpoint_get_context_key(local_node_id, PP_SPAN_ID, buf, 128);
   std::string sid(buf, size);
-
+  // get the root trace tid and span id
   size = pinpoint_get_context_key(local_node_id, PP_APP_NAME, buf, 128);
   std::string app_name(buf, size);
   size = pinpoint_get_context_key(local_node_id, PP_APP_ID, buf, 128);
   std::string app_id(buf, size);
-
+  // wrapper user function (F) with  pinpoint_wrapper_func
   auto pinpoint_wrapper_func = [=]() -> return_type {
     local_node_id = pinpoint_start_trace(local_node_id);
     pinpoint_add_clue(local_node_id, PP_APP_NAME, app_name.c_str(),
@@ -97,6 +98,7 @@ async(F &&f, Args &&... args) {
 
     pinpoint_add_clue(local_node_id, PP_SERVER_TYPE, PP_C_CPP_METHOD,
                       E_LOC_CURRENT);
+    // mark current span as a asynchronous span
     pinpoint_set_async_ctx(local_node_id, async_id, sequence_id);
     (*task)();
     local_node_id = pinpoint_end_trace(local_node_id);
@@ -104,6 +106,7 @@ async(F &&f, Args &&... args) {
   };
 
   auto async_res = std::async(std::launch::async, pinpoint_wrapper_func);
+  // end current trace
   local_node_id = pinpoint_end_trace(local_node_id);
   return async_res;
 }