diff --git a/install.sh b/install.sh
index 4a2a3e1..6a85ca0 100644
--- a/install.sh
+++ b/install.sh
@@ -82,13 +82,15 @@ ensure_dirs() {
     # PID/Socket 目录
     mkdir -p "${PID_DIR}"
 
-    # 设置所有权
+    # 设置所有权（每次安装都强制修正，避免旧版遗留权限问题）
     chown -R "${SERVICE_USER}:${SERVICE_USER}" "${INSTALL_DIR}"
     chown -R "${SERVICE_USER}:${SERVICE_USER}" "${DATA_DIR}"
     chown -R "${SERVICE_USER}:${SERVICE_USER}" "${LOG_DIR}"
     chown -R "${SERVICE_USER}:${SERVICE_USER}" "${PID_DIR}"
     chown -R "${SERVICE_USER}:${SERVICE_USER}" "${CONFIG_DIR}"
-    
+
+    # 确保目录可写
+    chmod 755 "${CONFIG_DIR}" "${DATA_DIR}" "${LOG_DIR}" "${PID_DIR}" "${INSTALL_DIR}"
 
     ok "目录结构就绪"
 }