diff --git a/.githooks/post-receive b/.githooks/post-receive
index 74a9071b..3343aeb3 100755
--- a/.githooks/post-receive
+++ b/.githooks/post-receive
@@ -1,18 +1,11 @@
 #!/bin/sh
 # Post-receive hook: push 后自动 build + start
-#
 
 # pnpm 环境变量
 export NVM_DIR="$HOME/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
 [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
 
-# git 调钩子时 cwd=GIT_DIR 并设了 GIT_DIR=.（相对）。此时：
-#  1. `git rev-parse --show-toplevel` 返回 `/.../repo/.git`（不报错），
-#     会让原版 `|| echo $PWD` 退路不触发、cd 误进 .git。
-#  2. cd 到工作树后，GIT_DIR=. 不再指向 .git，下面 `git reset` 之类的
-#     会报 `fatal: not a git repository: '.'`。
-# 修正：拿绝对 git-dir，算出 worktree 根，并改用绝对 GIT_DIR。
 GIT_DIR_ABS="$(git rev-parse --absolute-git-dir 2>/dev/null)"
 if [ -n "$GIT_DIR_ABS" ] && [ -d "$GIT_DIR_ABS" ]; then
     REPO_TOPLEVEL="$(cd "$GIT_DIR_ABS/.." && pwd)"
@@ -24,29 +17,16 @@ unset GIT_WORK_TREE
 cd "$REPO_TOPLEVEL" || { echo "FATAL: cannot cd to $REPO_TOPLEVEL" >&2; exit 1; }
 echo "=== REPO_TOPLEVEL=$REPO_TOPLEVEL (GIT_DIR=$GIT_DIR) ===" >&2
 
-# ============================================================
-# 0. sync_worktree —— 将工作树同步到新 push 的 HEAD
-#   背景：服务器 .git/config 设了 receive.denyCurrentBranch=updateInstead 时
-#        git 自动更新工作树但会跳过此钩子；改为 false 后
-#        git 不会更新工作树，手动 reset --hard 同步才能让下面
-#        的 build 用上新代码。
-# ============================================================
 sync_worktree() {
     echo "=== sync_worktree: git reset --hard HEAD @ $(date +%Y-%m-%dT%H:%M:%S%z) ==="
     git reset --hard HEAD
 }
 
-# ============================================================
-# 1. init_log_file —— 定义 LOG_FILE + 创建 logs/ 目录
-# ============================================================
 init_log_file() {
     LOG_FILE="$REPO_TOPLEVEL/logs/post-receive.log"
     mkdir -p "$(dirname "$LOG_FILE")"
 }
 
-# ============================================================
-# 2. write_metadata_header —— 覆盖写入元信息（首次写 → 覆盖让日志开头是这个）
-# ============================================================
 write_metadata_header() {
     {
         echo "=== post-receive @ $(date +%Y-%m-%dT%H:%M:%S%z) ==="
@@ -86,7 +66,29 @@ copy_env_by_branch() {
 }
 
 # ============================================================
-# 4. run_build —— 跑 `pnpm install` + `pnpm run build`，输出丢，捕获退出码写日志
+# 4. select_port_by_branch —— 根据分支选择 next start 端口
+#   main 分支 → 9185
+#   test 分支 → 9135
+#   dev 分支  → 9135
+# ============================================================
+select_port_by_branch() {
+    case "$CURRENT_BRANCH" in
+        main)
+            START_PORT=9185
+            ;;
+        test|dev)
+            START_PORT=9135
+            ;;
+        *)
+            START_PORT=9135
+            ;;
+    esac
+    export START_PORT
+    echo "=== start port: $START_PORT ===" >> "$LOG_FILE"
+}
+
+# ============================================================
+# 5. run_build —— 跑 `pnpm install` + `pnpm run build`，输出丢，捕获退出码写日志
 #   返回：build 退出码（main 用 if ! run_build 决定是否继续）
 # ============================================================
 run_build() {
@@ -99,38 +101,46 @@ run_build() {
 }
 
 # ============================================================
-# 5. stop_existing_next —— 两阶段 kill + 等 1s 确保端口完全释放
+# 6. stop_existing_next —— 仅停止当前分支端口上的旧进程
 #   1) 优雅关闭（SIGTERM）—— 旧进程自己 drain
 #   2) 等 2s
 #   3) 强杀（SIGKILL）—— 还在的话
 #   4) 等 1s
 # ============================================================
 stop_existing_next() {
-    echo "=== stop existing next @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
-    pkill -f "next start" 2>/dev/null
-    pkill -f "next-server" 2>/dev/null
+    echo "=== stop existing next on port $START_PORT @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
+    PIDS=""
+    if command -v lsof >/dev/null 2>&1; then
+        PIDS="$(lsof -ti tcp:"$START_PORT" 2>/dev/null || true)"
+    elif command -v fuser >/dev/null 2>&1; then
+        PIDS="$(fuser "$START_PORT"/tcp 2>/dev/null || true)"
+    else
+        pkill -f "next start.*$START_PORT" 2>/dev/null || true
+    fi
+
+    if [ -n "$PIDS" ]; then
+        kill $PIDS 2>/dev/null || true
+    fi
     sleep 2
-    pkill -9 -f "next start" 2>/dev/null
-    pkill -9 -f "next-server" 2>/dev/null
+    if [ -n "$PIDS" ]; then
+        kill -9 $PIDS 2>/dev/null || true
+    fi
     sleep 1
     echo "=== stop DONE @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
     echo "" >> "$LOG_FILE"
 }
 
-# ============================================================
-# 6. launch_next —— 后台启 `pnpm run start`，捕 PID
-# ============================================================
 launch_next() {
     # next stdout/stderr 接到 logs/next-server.log（覆盖模式，每次 deploy 重新开始）
     NEXT_LOG_FILE="$REPO_TOPLEVEL/logs/next-server.log"
-    echo "=== start LAUNCH @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
-    nohup pnpm run start > "$NEXT_LOG_FILE" 2>&1 &
+    echo "=== start LAUNCH port=$START_PORT @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
+    PORT="$START_PORT" nohup pnpm run start > "$NEXT_LOG_FILE" 2>&1 &
     START_PID=$!
     echo "=== start PID=$START_PID @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
 }
 
 # ============================================================
-# 7. log_abort —— build 失败时写结束标记（不输出 START LAUNCH）
+# 8. log_abort —— build 失败时写结束标记（不输出 START LAUNCH）
 # ============================================================
 log_abort() {
     echo "=== ABORTED @ $(date +%Y-%m-%dT%H:%M:%S%z) (build failed, start skipped) ===" >> "$LOG_FILE"
@@ -144,6 +154,7 @@ main() {
     sync_worktree            # 先同步工作树到新 HEAD（与 git config denyCurrentBranch 配合）
     write_metadata_header    # 先覆盖写元信息（这样 env copy 日志能保留在后面）
     copy_env_by_branch       # 追加 env copy 日志
+    select_port_by_branch    # 根据当前分支决定 next start 端口
 
     if ! run_build; then
         log_abort
diff --git a/package.json b/package.json
index 8423ebff..c1c159d0 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
     "dev": "next dev",
     "build": "next build",
     "build:deploy": "pnpm install && pnpm run build",
-    "start": "next start -p 9135",
+    "start": "sh -c 'BRANCH=$(git branch --show-current); PORT=${PORT:-}; if [ -z \"$PORT\" ]; then if [ \"$BRANCH\" = \"main\" ]; then PORT=9185; else PORT=9135; fi; fi; next start -p \"$PORT\"'",
+    "start:test": "next start -p 9135",
+    "start:main": "next start -p 9185",
     "build:start": "pnpm install && pnpm run build && pnpm run start",
     "lint": "eslint",
     "lint:fix": "eslint --fix",