diff --git a/.github/workflows/build-image-ci.yaml b/.github/workflows/build-image-ci.yaml
index 2b0c3a10..a0723102 100644
--- a/.github/workflows/build-image-ci.yaml
+++ b/.github/workflows/build-image-ci.yaml
@@ -71,8 +71,8 @@ jobs:
         uses: dorny/paths-filter@v2.10.2
         id: go-changes
         with:
-          base: ${{ github.event.pull_request_target.base.sha }}
-          ref: ${{ github.event.pull_request_target.head.sha }}
+          base: ${{ github.event.pull_request.base.sha }}
+          ref: ${{ github.event.pull_request.head.sha }}
           filters: |
             src:
               - api/**
diff --git a/.github/workflows/debug-context.yaml b/.github/workflows/debug-context.yaml
index c6463f7a..8f621690 100644
--- a/.github/workflows/debug-context.yaml
+++ b/.github/workflows/debug-context.yaml
@@ -39,9 +39,11 @@ jobs:
           # "github.head_ref = pr/welan/md-spell"
           echo "github.head_ref = ${{ github.head_ref }}"
 
+          # pull_request or pull_request_target 都能获取到
           echo "github.event.pull_request.base.sha = ${{ github.event.pull_request.base.sha }}"
           echo "github.event.pull_request.head.sha = ${{ github.event.pull_request.head.sha }}"
           
+          # 这个获取不到任何东西 ，即使 pull_request_target 也获取不到
           echo "github.event.pull_request_target.base.sha = ${{ github.event.pull_request_target.base.sha }}"
           echo "github.event.pull_request_target.head.sha = ${{ github.event.pull_request_target.head.sha }}"
           
@@ -75,3 +77,10 @@ jobs:
           # ================ for workflow_call, only available in a reusable workflow
           echo "inputs = ${{ inputs }}"
           echo "inputs = ${{ inputs.mytag }}"
+          
+          # ========= env
+          echo "GITHUB_BASE_REF = ${{ GITHUB_BASE_REF }}"
+          echo "GITHUB_HEAD_REF = ${{ GITHUB_HEAD_REF }}"
+          echo "GITHUB_REF = ${{ GITHUB_REF }}"
+          echo "GITHUB_REF_NAME = ${{ GITHUB_REF_NAME }}"
+          echo "GITHUB_SHA = ${{ GITHUB_SHA }}"
diff --git a/.github/workflows/debug-context2.yaml b/.github/workflows/debug-context2.yaml
index dad15759..a386863f 100644
--- a/.github/workflows/debug-context2.yaml
+++ b/.github/workflows/debug-context2.yaml
@@ -37,9 +37,11 @@ jobs:
           # "github.head_ref = pr/welan/md-spell"
           echo "github.head_ref = ${{ github.head_ref }}"
 
+          # pull_request or pull_request_target 都能获取到
           echo "github.event.pull_request.base.sha = ${{ github.event.pull_request.base.sha }}"
           echo "github.event.pull_request.head.sha = ${{ github.event.pull_request.head.sha }}"
           
+          # 这个获取不到任何东西 ，即使 pull_request_target 也获取不到
           echo "github.event.pull_request_target.base.sha = ${{ github.event.pull_request_target.base.sha }}"
           echo "github.event.pull_request_target.head.sha = ${{ github.event.pull_request_target.head.sha }}"
           
@@ -73,3 +75,11 @@ jobs:
           # ================ for workflow_call, only available in a reusable workflow
           echo "inputs = ${{ inputs }}"
           echo "inputs = ${{ inputs.mytag }}"
+
+          # ========= env
+          echo "GITHUB_BASE_REF = ${{ GITHUB_BASE_REF }}"
+          echo "GITHUB_HEAD_REF = ${{ GITHUB_HEAD_REF }}"
+          echo "GITHUB_REF = ${{ GITHUB_REF }}"
+          echo "GITHUB_REF_NAME = ${{ GITHUB_REF_NAME }}"
+          echo "GITHUB_SHA = ${{ GITHUB_SHA }}"
+        
\ No newline at end of file
diff --git a/docs/contributing/development/chart.md b/docs/contributing/development/chart.md
index d7899170..ecc24b2e 100644
--- a/docs/contributing/development/chart.md
+++ b/docs/contributing/development/chart.md
@@ -5,7 +5,7 @@ the '/' of branch 'github_pages' is used as github page
 each version of chart package will be automatically created by CI,
 they will be pushed to '/chart' of branch 'github_pages'.
 
-the '/index.yaml' of branch  'github_pages' will also be updated by CI.
+the '/index.yaml' of branch   'github_pages' will also be updated by CI.
 
 so, you could use following command to get the chart
 
diff --git a/pkg/lock/lock.go b/pkg/lock/lock.go
index 08d90b8c..774bf06a 100644
--- a/pkg/lock/lock.go
+++ b/pkg/lock/lock.go
@@ -10,6 +10,6 @@ type RWMutex struct {
 
 // Mutex is equivalent to sync.Mutex but applies deadlock detection if the
 // built tag "lockdebug" is set
-type Mutex struct  {
+type Mutex struct   {
 	internalMutex
 }