diff --git a/src/action.h b/src/action.h
index ea56698..721b436 100644
--- a/src/action.h
+++ b/src/action.h
@@ -5,3 +5,4 @@
 void spawn(const user_action_arg_t *arg);
 void quit(const user_action_arg_t *arg);
 void select_tag(const user_action_arg_t *arg);
+void kill_client(const user_action_arg_t *arg);
diff --git a/src/config.h b/src/config.h
index b9df131..469a127 100644
--- a/src/config.h
+++ b/src/config.h
@@ -90,6 +90,7 @@ const keybinding_t keys[] = {
   {SUPER, XK_p, spawn, {.ptr = launcher}},
   {SUPER | SHIFT, XK_q, quit, {.b = false}},
   {SUPER | CTRL, XK_r, quit, {.b = true}},
+  {SUPER | SHIFT, XK_c, kill_client, {0}},
   {SUPER, XK_1, select_tag, {.ui = 0}},
   {SUPER, XK_2, select_tag, {.ui = 1}},
   {SUPER, XK_3, select_tag, {.ui = 2}},
diff --git a/src/include/xcb.h b/src/include/xcb.h
index 03a4b44..1375f71 100644
--- a/src/include/xcb.h
+++ b/src/include/xcb.h
@@ -58,6 +58,10 @@ void raise_window(xcb_window_t window);
  * @brief 在堆叠顺序中将 window 置于 sibling 之下
  */
 void place_window_below_sibling(xcb_window_t window, xcb_window_t sibling);
+/**
+ * @brief 关闭窗口并清理资源
+ */
+void kill_window(xcb_window_t window);
 
 typedef struct bar_cairo_params_t {
   xcb_connection_t *conn;
diff --git a/src/main.c b/src/main.c
index 6e6b1b3..eda4be5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -104,6 +104,15 @@ void select_tag(const user_action_arg_t *arg) {
   arrange(current_monitor);
 }
 
+void kill_client(const user_action_arg_t *arg) {
+  client_t *client = current_monitor->selected_client;
+  if (!client) return;
+
+  if (!send_event(client->window, get_xcb_atom(atom_wm_delete))) {
+    kill_window(client->window);
+  }
+}
+
 /* 调试函数，开发完成后删除 */
 static void print_monitor_list_info(monitor_t *monitor_list) {
   logger("========================= monitor info =========================\n");
diff --git a/src/xcb/window.c b/src/xcb/window.c
index 57e209a..87b9131 100644
--- a/src/xcb/window.c
+++ b/src/xcb/window.c
@@ -315,3 +315,11 @@ void place_window_below_sibling(xcb_window_t window, xcb_window_t sibling) {
   };
   xcb_aux_configure_window(conn, window, mask, &params);
 }
+
+void kill_window(xcb_window_t window) {
+  xcb_grab_server(conn);
+  xcb_set_close_down_mode(conn, XCB_CLOSE_DOWN_DESTROY_ALL);
+  xcb_kill_client(conn, window);
+  xcb_flush(conn);
+  xcb_ungrab_server(conn);
+}