diff --git a/start_server.sh b/start_server.sh
index 7bc727b..1c1fbfe 100755
--- a/start_server.sh
+++ b/start_server.sh
@@ -11,7 +11,8 @@ PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
 PYTHON="${PYTHON:-$(command -v python3 || command -v python)}"
 PID_FILE="$PROJECT_DIR/.server.pid"
 LOG_FILE="/tmp/weread_server.log"
-PORT=8080
+# 默认从 8080 启动；也可通过 PORT 或 WEREAD_PORT 指定端口
+PORT="${PORT:-${WEREAD_PORT:-8080}}"
 
 cd "$PROJECT_DIR" || exit 1
 
@@ -22,10 +23,6 @@ is_running() {
             return 0
         fi
     fi
-    # 也检查端口是否被占用
-    if lsof -i :$PORT -t >/dev/null 2>&1; then
-        return 0
-    fi
     return 1
 }
 
@@ -37,7 +34,27 @@ get_pid() {
             return
         fi
     fi
-    lsof -i :$PORT -t 2>/dev/null | head -1
+    return 0
+}
+
+find_free_port() {
+    while lsof -iTCP:"$PORT" -sTCP:LISTEN -t >/dev/null 2>&1; do
+        PORT=$((PORT + 1))
+    done
+}
+
+get_running_port() {
+    local pid=$(get_pid)
+    local running_port
+
+    if [ -n "$pid" ]; then
+        running_port=$(lsof -Pan -p "$pid" -iTCP -sTCP:LISTEN 2>/dev/null \
+            | awk 'NR > 1 {print $9}' \
+            | sed -E 's/.*:([0-9]+)$/\1/' \
+            | head -1)
+    fi
+
+    echo "${running_port:-$PORT}"
 }
 
 stop_server() {
@@ -58,34 +75,43 @@ stop_server() {
 
 start_foreground() {
     if is_running; then
-        echo "服务已在运行 (PID: $(get_pid))"
+        local running_port=$(get_running_port)
+        echo "服务已在运行 (PID: $(get_pid), 端口: $running_port)"
+        echo "访问地址: http://127.0.0.1:$running_port"
         exit 1
     fi
     if [ -z "$PYTHON" ]; then
         echo "未找到可用的 Python 解释器"
         exit 1
     fi
-    echo "启动服务（前台模式）..."
-    exec "$PYTHON" app.py
+    echo "启动服务（前台模式，端口: $PORT）..."
+    echo "访问地址: http://127.0.0.1:$PORT"
+    PORT="$PORT" WEREAD_PORT="$PORT" exec "$PYTHON" app.py
 }
 
 start_daemon() {
+    if [ ! -f "$PID_FILE" ]; then
+        find_free_port
+    fi
     if is_running; then
-        echo "服务已在运行 (PID: $(get_pid))"
+        local running_port=$(get_running_port)
+        echo "服务已在运行 (PID: $(get_pid), 端口: $running_port)"
+        echo "访问地址: http://127.0.0.1:$running_port"
         exit 1
     fi
     if [ -z "$PYTHON" ]; then
         echo "未找到可用的 Python 解释器"
         exit 1
     fi
-    echo "启动服务（后台守护模式）..."
-    nohup "$PYTHON" app.py > "$LOG_FILE" 2>&1 &
+    echo "启动服务（后台守护模式，端口: $PORT）..."
+    PORT="$PORT" WEREAD_PORT="$PORT" nohup "$PYTHON" app.py > "$LOG_FILE" 2>&1 &
     local pid=$!
     echo "$pid" > "$PID_FILE"
     sleep 2
     if kill -0 "$pid" 2>/dev/null; then
         echo "服务已启动 (PID: $pid)"
-        echo "访问: http://127.0.0.1:$PORT"
+        echo "端口: $PORT"
+        echo "访问地址: http://127.0.0.1:$PORT"
         echo "日志: $LOG_FILE"
     else
         echo "启动失败，请查看日志: $LOG_FILE"