diff --git a/.github/workflows/npm-release.yml b/.github/workflows/npm-release.yml
index fdbd527..deb78b2 100644
--- a/.github/workflows/npm-release.yml
+++ b/.github/workflows/npm-release.yml
@@ -5,7 +5,7 @@ on:
     branches: [ main ]
     
 jobs:
-  build:
+  Build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -45,7 +45,7 @@ jobs:
           
   RemoveOldRelease:
     runs-on: ubuntu-latest
-    needs: build
+    needs: Build
     steps:
       - name: install github-cli
         run: |
@@ -57,13 +57,44 @@ jobs:
           && sudo apt install gh -y
 
       - name: CheckOut
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set APP_VERSION env
         run: |
-          sudo chmod a+x git_push.sh \
-          && pre_del_tag=$(./git_push.sh -get_pre_del_tag_name) \
-          && echo APP_OLD_VERSION=v${pre_del_tag} >> ${GITHUB_ENV}
+          APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev ) \
+
+          function get_pre_del_tag {
+              local v_str=$1
+              baseStr=$(echo $v_str | cut -d'.' -f1)
+              base=${baseStr//v/}
+              major=$(echo $v_str | cut -d'.' -f2)
+              minor=$(echo $v_str | cut -d'.' -f3)
+
+              if ((minor>0)); then
+                  minor=$((minor-1))
+              else
+                  minor=999
+                  if ((major>0)); then
+                      major=$((major-1))
+                  else
+                      major=999
+                      if ((base>0)); then
+                          base=$((base-1))
+                      else
+                          echo "Error: Version cannot be decremented."
+                          exit 1
+                      fi
+                  fi
+              fi
+
+              pre_v_no="v${base}.${major}.${minor}"
+              echo $pre_v_no
+          }
+
+          APP_OLD_VERSION=$(get_pre_del_tag $(get_pre_del_tag $APP_VERSION))
+
+          echo "Old version to remove: ${APP_OLD_VERSION}"
+          echo APP_OLD_VERSION=${APP_OLD_VERSION} >> ${GITHUB_ENV}
 
       - name: Remove Old Release
         run: |
diff --git a/git_tag.sh b/git_tag.sh
index 4692ecb..8086412 100755
--- a/git_tag.sh
+++ b/git_tag.sh
@@ -11,21 +11,21 @@ CURRENT_VERSION=$(jq -r '.version' $VersionFile)
 
 NEXT_VERSION=""
 
-OSTYPE="Unknown"
+OS_TYPE="Unknown"
 GetOSType() {
     uNames=`uname -s`
     osName=${uNames: 0: 4}
     if [ "$osName" == "Darw" ] # Darwin
     then
-        OSTYPE="Darwin"
+        OS_TYPE="Darwin"
     elif [ "$osName" == "Linu" ] # Linux
     then
-        OSTYPE="Linux"
+        OS_TYPE="Linux"
     elif [ "$osName" == "MING" ] # MINGW, windows, git-bash
     then
-        OSTYPE="Windows"
+        OS_TYPE="Windows"
     else
-        OSTYPE="Unknown"
+        OS_TYPE="Unknown"
     fi
 }
 GetOSType
@@ -101,30 +101,9 @@ function git_handle_ready() {
 
     local netx_version_no=${NEXT_VERSION//v/}
 
-    # 检查dos2unix是否存在，如果不存在，尝试安装
-    case "$(uname -s)" in
-        Linux)
-            if [[ -f "/etc/debian_version" ]]; then
-                sudo apt-get update
-                sudo apt-get install -y dos2unix
-            elif [[ -f "/etc/redhat-release" ]]; then
-                sudo yum install -y dos2unix
-            else
-                echo "Unknown Linux distribution. Please install dos2unix manually."
-            fi
-            ;;
-
-        Darwin) # macOS
-            brew install dos2unix
-            ;;
-        *)
-            echo "Unsupported OS. Please install dos2unix manually."
-            ;;
-    esac
-
     jq ".version = \"${netx_version_no}\"" $VersionFile > temp.json
 
-    if command -v dos2unix &> /dev/null; then
+    if [[ $OS_TYPE == "Darwin" ]]; then
         dos2unix temp.json
     fi
 
diff --git a/package-lock.json b/package-lock.json
index 299a474..bb81388 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cloudflare-r2-upload",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cloudflare-r2-upload",
-      "version": "1.0.13",
+      "version": "1.0.14",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1",
diff --git a/package.json b/package.json
index 01a8114..e9ee150 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "@aws-sdk/client-s3": "^3"
   },
   "name": "cloudflare-r2-upload",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"