diff --git a/action.yml b/action.yml
index 4cb4ac0..293513a 100644
--- a/action.yml
+++ b/action.yml
@@ -29,93 +29,13 @@ runs:
       id: cleanup
       shell: bash
       run: |
-        echo "開始清理舊版本，保留最新 ${{ inputs.keep-count }} 個版本"
-        
-        # 獲取所有 releases 並按創建時間排序
-        RELEASES_JSON=$(curl -s "${{ inputs.gitea-server }}/api/v1/repos/${{ inputs.repository }}/releases" \
-          -H "Authorization: token ${{ inputs.token }}" \
-          -H "Accept: application/json")
-        
-        # 檢查是否成功獲取 releases
-        if [ $? -ne 0 ] || [ -z "$RELEASES_JSON" ]; then
-          echo "錯誤：無法獲取 releases 列表"
-          exit 1
-        fi
-        
-        # 計算總數量
-        TOTAL_COUNT=$(echo "$RELEASES_JSON" | jq 'length')
-        echo "目前總共有 $TOTAL_COUNT 個 releases"
-        
-        # 如果總數量小於等於保留數量，則無需清理
-        if [ $TOTAL_COUNT -le ${{ inputs.keep-count }} ]; then
-          echo "releases 數量 ($TOTAL_COUNT) 未超過保留數量 (${{ inputs.keep-count }})，無需清理"
-          exit 0
-        fi
-        
-        # 計算需要刪除的數量
-        DELETE_COUNT=$((TOTAL_COUNT - ${{ inputs.keep-count }}))
-        echo "需要刪除 $DELETE_COUNT 個舊版本"
-        
-        # 獲取要刪除的 releases (跳過前 keep-count 個)
-        TO_DELETE=$(echo "$RELEASES_JSON" | jq -r ".[${{ inputs.keep-count }}:] | .[] | {id: .id, tag: .tag_name, name: .name}")
-        
-        # 初始化刪除計數器和列表
-        DELETED_COUNT=0
-        DELETED_LIST="[]"
-        
-        # 處理每個要刪除的 release
-        echo "$TO_DELETE" | jq -c '.' | while read -r release; do
-          if [ -z "$release" ] || [ "$release" = "null" ]; then
-            continue
-          fi
-          
-          RELEASE_ID=$(echo "$release" | jq -r '.id')
-          RELEASE_TAG=$(echo "$release" | jq -r '.tag')
-          RELEASE_NAME=$(echo "$release" | jq -r '.name')
-          
-          if [ -z "$RELEASE_ID" ] || [ "$RELEASE_ID" = "null" ]; then
-            continue
-          fi
-          
-          echo "準備刪除: ID=$RELEASE_ID, Tag=$RELEASE_TAG, Name=$RELEASE_NAME"
-          
-          if [ "${{ inputs.dry-run }}" = "true" ]; then
-            echo "🔍 [模擬執行] 會刪除 release: $RELEASE_TAG ($RELEASE_NAME)"
-            DELETED_COUNT=$((DELETED_COUNT + 1))
-          else
-            # 實際刪除
-            DELETE_RESPONSE=$(curl -s -w "HTTP_STATUS:%{http_code}" \
-              -X DELETE "${{ inputs.gitea-server }}/api/v1/repos/${{ inputs.repository }}/releases/$RELEASE_ID" \
-              -H "Authorization: token ${{ inputs.token }}")
-            
-            HTTP_STATUS=$(echo "$DELETE_RESPONSE" | grep -o "HTTP_STATUS:[0-9]*" | cut -d: -f2)
-            
-            if [ "$HTTP_STATUS" = "204" ] || [ "$HTTP_STATUS" = "200" ]; then
-              echo "✅ 成功刪除 release: $RELEASE_TAG ($RELEASE_NAME)"
-              DELETED_COUNT=$((DELETED_COUNT + 1))
-              
-              # 更新已刪除列表
-              DELETED_LIST=$(echo "$DELETED_LIST" | jq ". + [{\"id\": \"$RELEASE_ID\", \"tag\": \"$RELEASE_TAG\", \"name\": \"$RELEASE_NAME\"}]")
-            else
-              echo "❌ 刪除失敗 release: $RELEASE_TAG ($RELEASE_NAME), HTTP狀態: $HTTP_STATUS"
-            fi
-          fi
-        done
-        
-        # 由於 while 迴圈在子 shell 中執行，需要重新計算
-        if [ "${{ inputs.dry-run }}" = "true" ]; then
-          FINAL_DELETE_COUNT=$(echo "$TO_DELETE" | jq -s 'length')
-          echo "🔍 [模擬執行] 總共會刪除 $FINAL_DELETE_COUNT 個版本"
-        else
-          # 重新獲取並計算實際刪除的數量
-          NEW_RELEASES_JSON=$(curl -s "${{ inputs.gitea-server }}/api/v1/repos/${{ inputs.repository }}/releases" \
-            -H "Authorization: token ${{ inputs.token }}" \
-            -H "Accept: application/json")
-          NEW_TOTAL_COUNT=$(echo "$NEW_RELEASES_JSON" | jq 'length')
-          ACTUAL_DELETED=$((TOTAL_COUNT - NEW_TOTAL_COUNT))
-          
-          echo "✅ 清理完成，實際刪除了 $ACTUAL_DELETED 個版本"
-        fi
+        chmod +x "${{ github.action_path }}/cleanup-releases.sh"
+        "${{ github.action_path }}/cleanup-releases.sh" \
+          "${{ inputs.gitea-server }}" \
+          "${{ inputs.repository }}" \
+          "${{ inputs.token }}" \
+          "${{ inputs.keep-count }}" \
+          "${{ inputs.dry-run }}"
     
     - name: 清理舊映像
       id: cleanup-images
diff --git a/cleanup-releases.sh b/cleanup-releases.sh
new file mode 100644
index 0000000..b44e768
--- /dev/null
+++ b/cleanup-releases.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+
+set -e
+
+GITEA_SERVER="$1"
+REPOSITORY="$2"
+TOKEN="$3"
+KEEP_COUNT="$4"
+DRY_RUN="$5"
+
+echo "開始清理舊版本，保留最新 $KEEP_COUNT 個版本"
+
+# 獲取所有 releases 並按創建時間排序
+RELEASES_JSON=$(curl -s "$GITEA_SERVER/api/v1/repos/$REPOSITORY/releases" \
+  -H "Authorization: token $TOKEN" \
+  -H "Accept: application/json")
+
+# 檢查是否成功獲取 releases
+if [ $? -ne 0 ] || [ -z "$RELEASES_JSON" ]; then
+  echo "錯誤：無法獲取 releases 列表"
+  exit 1
+fi
+
+# 計算總數量
+TOTAL_COUNT=$(echo "$RELEASES_JSON" | jq 'length')
+echo "目前總共有 $TOTAL_COUNT 個 releases"
+
+# 如果總數量小於等於保留數量，則無需清理
+if [ $TOTAL_COUNT -le $KEEP_COUNT ]; then
+  echo "releases 數量 ($TOTAL_COUNT) 未超過保留數量 ($KEEP_COUNT)，無需清理"
+  exit 0
+fi
+
+# 計算需要刪除的數量
+DELETE_COUNT=$((TOTAL_COUNT - KEEP_COUNT))
+echo "需要刪除 $DELETE_COUNT 個舊版本"
+
+# 獲取要刪除的 releases (跳過前 keep-count 個)
+TO_DELETE=$(echo "$RELEASES_JSON" | jq -r ".[$KEEP_COUNT:] | .[] | {id: .id, tag: .tag_name, name: .name}")
+
+# 初始化刪除計數器和列表
+DELETED_COUNT=0
+DELETED_LIST="[]"
+
+# 處理每個要刪除的 release
+echo "$TO_DELETE" | jq -c '.' | while read -r release; do
+  if [ -z "$release" ] || [ "$release" = "null" ]; then
+    continue
+  fi
+  
+  RELEASE_ID=$(echo "$release" | jq -r '.id')
+  RELEASE_TAG=$(echo "$release" | jq -r '.tag')
+  RELEASE_NAME=$(echo "$release" | jq -r '.name')
+  
+  if [ -z "$RELEASE_ID" ] || [ "$RELEASE_ID" = "null" ]; then
+    continue
+  fi
+  
+  echo "準備刪除: ID=$RELEASE_ID, Tag=$RELEASE_TAG, Name=$RELEASE_NAME"
+  
+  if [ "$DRY_RUN" = "true" ]; then
+    echo "🔍 [模擬執行] 會刪除 release: $RELEASE_TAG ($RELEASE_NAME)"
+    DELETED_COUNT=$((DELETED_COUNT + 1))
+  else
+    # 實際刪除
+    DELETE_RESPONSE=$(curl -s -w "HTTP_STATUS:%{http_code}" \
+      -X DELETE "$GITEA_SERVER/api/v1/repos/$REPOSITORY/releases/$RELEASE_ID" \
+      -H "Authorization: token $TOKEN")
+    
+    HTTP_STATUS=$(echo "$DELETE_RESPONSE" | grep -o "HTTP_STATUS:[0-9]*" | cut -d: -f2)
+    
+    if [ "$HTTP_STATUS" = "204" ] || [ "$HTTP_STATUS" = "200" ]; then
+      echo "✅ 成功刪除 release: $RELEASE_TAG ($RELEASE_NAME)"
+      DELETED_COUNT=$((DELETED_COUNT + 1))
+      
+      # 更新已刪除列表
+      DELETED_LIST=$(echo "$DELETED_LIST" | jq ". + [{\"id\": \"$RELEASE_ID\", \"tag\": \"$RELEASE_TAG\", \"name\": \"$RELEASE_NAME\"}]")
+    else
+      echo "❌ 刪除失敗 release: $RELEASE_TAG ($RELEASE_NAME), HTTP狀態: $HTTP_STATUS"
+    fi
+  fi
+done
+
+# 由於 while 迴圈在子 shell 中執行，需要重新計算
+if [ "$DRY_RUN" = "true" ]; then
+  FINAL_DELETE_COUNT=$(echo "$TO_DELETE" | jq -s 'length')
+  echo "🔍 [模擬執行] 總共會刪除 $FINAL_DELETE_COUNT 個版本"
+else
+  # 重新獲取並計算實際刪除的數量
+  NEW_RELEASES_JSON=$(curl -s "$GITEA_SERVER/api/v1/repos/$REPOSITORY/releases" \
+    -H "Authorization: token $TOKEN" \
+    -H "Accept: application/json")
+  NEW_TOTAL_COUNT=$(echo "$NEW_RELEASES_JSON" | jq 'length')
+  ACTUAL_DELETED=$((TOTAL_COUNT - NEW_TOTAL_COUNT))
+  
+  echo "✅ 清理完成，實際刪除了 $ACTUAL_DELETED 個版本"
+fi