diff --git a/tag_generator.sh b/tag_generator.sh
index 84811faf..03937d48 100755
--- a/tag_generator.sh
+++ b/tag_generator.sh
@@ -28,68 +28,60 @@ newest_sky_tag=$(echo "$sky_tags" | head -n 1)
 
 # 如果没有 _sky 结尾的 tag，则从最新的 tag 提取版本号，生成 vX.Y.Z_sky
 if [ -z "$newest_sky_tag" ]; then
-  # 取最新的 tag（不管是否带_sky）
   latest_tag=$(echo "$tags" | head -n 1)
   echo "DEBUG: tags=[$tags]"
   echo "DEBUG: latest_tag=[$latest_tag]"
   if [ -n "$latest_tag" ]; then
-    # 提取版本号部分（去掉前缀v和后缀_sky等）
-    version_part=${latest_tag#v}         # 去掉v
-    version_part=${version_part%_sky}   # 去掉_sky（如果有）
+    version_part=${latest_tag#v}
+    version_part=${version_part%_sky}
     version_part=$(echo "$version_part" | tr -d ' \n\r')
     echo "DEBUG: version_part=[$version_part]"
-    IFS='.' read -r major minor patch <<< "$version_part"
-    if [ -z "$major" ]; then major=1; fi
-    if [ -z "$minor" ]; then minor=0; fi
-    if [ -z "$patch" ]; then patch=0; fi
-    next_tag="v$major.$minor.$patch_sky"
+    major=$(echo "$version_part" | awk -F. '{print $1}')
+    minor=$(echo "$version_part" | awk -F. '{print $2}')
+    patch=$(echo "$version_part" | awk -F. '{print $3}')
+    [ -z "$major" ] && major=1
+    [ -z "$minor" ] && minor=0
+    [ -z "$patch" ] && patch=0
+    next_tag="v${major}.${minor}.${patch}_sky"
   else
     next_tag="v1.0.0_sky"
   fi
 else
   # 解析版本号部分（去掉 _sky 后缀和 v 前缀）
-  # 例如 v1.5.556_sky -> 1.5.556
-  version_part=${newest_sky_tag%_sky}   # 去掉 _sky 后缀
-  version_part=${version_part#v}        # 去掉 v 前缀
+  version_part=${newest_sky_tag%_sky}
+  version_part=${version_part#v}
   version_part=$(echo "$version_part" | tr -d ' \n\r')
   echo "DEBUG: version_part=[$version_part]"
-  IFS='.' read -r major minor patch <<< "$version_part"  # 拆分出主、次、修订号
-  if [ -z "$major" ]; then major=1; fi
-  if [ -z "$minor" ]; then minor=0; fi
-  if [ -z "$patch" ]; then patch=0; fi
-  compare_json=""  # 用于存储 commit 对比结果
-  # 判断命令参数，决定对比范围
+  major=$(echo "$version_part" | awk -F. '{print $1}')
+  minor=$(echo "$version_part" | awk -F. '{print $2}')
+  patch=$(echo "$version_part" | awk -F. '{print $3}')
+  [ -z "$major" ] && major=1
+  [ -z "$minor" ] && minor=0
+  [ -z "$patch" ] && patch=0
+  compare_json=""
   if [[ "$1" == "generate_tag" ]];then
-      # 生成 tag 时，对比最新 _sky tag 和 master 之间的提交
       echo "generate_tag:$newest_sky_tag-to-master\n"
     compare_json=$(curl -s --header "PRIVATE-TOKEN: $TOKEN" "$URL/projects/$PROJECT_ID/repository/compare?from=$newest_sky_tag&to=master")
   elif [[ "$1" == "generate_version"  ]]; then
-     # 生成版本号时，对比 master 和当前分支之间的提交
     echo "generate_version:master-to-$CI_COMMIT_BRANCH\n"
     compare_json=$(curl -s --header "PRIVATE-TOKEN: $TOKEN" "$URL/projects/$PROJECT_ID/repository/compare?from=master&to=$CI_COMMIT_BRANCH")
   fi
   echo "compare_json:$compare_json\n"
-  new_patch=$patch   # 新的 patch 号
-  new_minor=$minor   # 新的 minor 号
-  # 遍历所有 commit，根据提交信息递增版本号
+  new_patch=$patch
+  new_minor=$minor
   while IFS= read -r commit_json; do
-    # 解析每个 commit 的 id 和 message
     commit_id=$(echo "$commit_json" | jq -r '.id')
     commit_message=$(echo "$commit_json" | jq -r '.message')
     echo "----$commit_message"
-    # 如果有 feat: 类型提交，minor 递增（只递增一次）
     if [[ "$commit_message" =~ ("feat:"*) ]]  && [[ $new_minor == $minor ]]; then
         ((new_minor++))
-    # 如果有 fix: 类型提交，patch 递增
     elif [[ "$commit_message" =~ ("fix:"*) ]]; then
         ((new_patch++))
-    # 其他类型提交（非 Merge/Revert），patch 递增
     elif [[ ! "$commit_message" =~ ("Merge"* | "Revert"*) ]]; then
         ((new_patch++))
     fi
   done < <(echo "$compare_json" | jq -c '.commits[] | {id: .id, message: .message}')
-  # 组装新的 tag，格式为 v<major>.<minor>.<patch>_sky
-  next_tag="v$major.$new_minor.$new_patch_sky"
+  next_tag="v${major}.${new_minor}.${new_patch}_sky"
 fi
 
 echo "New Tag:$newest_sky_tag;New version: $next_tag;command: $1"