diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 1902578..7acb008 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -1,70 +1,52 @@
-name: Update Changelog
+name: Generate Changelog
 
 on:
   push:
     branches:
-      - dev
+      - dev  # 根据需要修改分支
 
 permissions:
-  contents: write
+  contents: write  # 允许写入内容
 
 jobs:
-  update-changelog:
+  generate-changelog:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Set up Git
-        run: |
-          git config --local user.email "action@github.com"
-          git config --local user.name "GitHub Action"
-
-      - name: Get commits
-        id: get_commits
-        run: |
-          if [ -f CHANGELOG.md ]; then
-            LAST_UPDATE=$(grep -m 1 "## " CHANGELOG.md | awk '{print $2}' | tr -d '[]')
-            git log --since="$LAST_UPDATE" --pretty=format:"- %s" > commits.txt || echo "No new commits"
-          else
-            # 直接获取所有提交，并确保格式正确
-            git log --pretty=format:"- %s" --reverse > commits.txt || echo "No commits found"
-          fi
-
-          if [[ -s commits.txt ]]; then
-            echo "Commits=$(cat commits.txt)" >> $GITHUB_ENV
-          else
-            echo "Commits=No new commits" >> $GITHUB_ENV
-          fi
-
-
-      - name: Update or create CHANGELOG.md
-        run: |
-          if [[ "$(echo ${{ env.Commits }})" != "No new commits" ]]; then
-            if [ ! -f CHANGELOG.md ]; then
-              echo "# Changelog" > CHANGELOG.md
-            fi
-
-            # 分组提交，并按时间降序排列
-            echo "${{ env.Commits }}" | awk -F ' - ' '
-            {
-              date=$1; 
-              commit=$2;
-              commits[date] = (commits[date] ? commits[date] ORS : "") "- " commit;
-            }
-            END {
-              n = asorti(commits, dates);
-              for (i = n; i > 0; i--) {
-                print "## [" dates[i] "] - Update";
-                print commits[dates[i]];
-                print "";
-              }
-            }' >> CHANGELOG.md  # 直接追加到 CHANGELOG.md
-          fi
-
-      - name: Commit and Push Changes
-        run: |
-          git add CHANGELOG.md
-          git commit -m "Update CHANGELOG.md with latest commits $(git rev-parse --short HEAD) (PR #${{ github.event.pull_request.number }})" || echo "No changes to commit"
-          git push https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/Passer1072/RookieAI_yolov8 HEAD:dev
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Check for existing CHANGELOG.md
+      id: check_changelog
+      run: |
+        if [ ! -f CHANGELOG.md ]; then
+          echo "CHANGELOG.md does not exist."
+          echo "create=true" >> $GITHUB_ENV
+        else
+          echo "CHANGELOG.md exists."
+          echo "create=false" >> $GITHUB_ENV
+        fi
+
+    - name: Generate or Update CHANGELOG.md
+      run: |
+        if [ "${{ env.create }}" == "true" ]; then
+          echo "# Changelog" > CHANGELOG.md
+          # 获取所有提交信息并倒序写入
+          git log --reverse --date=short --pretty=format:"* %ad - %h - %s (%an)" >> CHANGELOG.md
+        else
+          echo "Updating existing CHANGELOG.md"
+          echo "" >> CHANGELOG.md
+          echo "## Latest Changes" >> CHANGELOG.md
+          # 获取最新提交信息并写入
+          git log -1 --date=short --pretty=format:"* %ad - %h - %s (%an)" >> CHANGELOG.md
+        fi
+
+    - name: Commit and push changes
+      run: |
+        git config --local user.email "action@github.com"
+        git config --local user.name "GitHub Action"
+        git add CHANGELOG.md
+        git commit -m "Update CHANGELOG.md with new entries (hash: $(git rev-parse --short HEAD))"
+        git push
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}