diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index 0dc2789..d6a8c37 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -71,6 +71,7 @@ typedef struct {
 	int nofadeout;
 	int no_force_center;
 	int isterm;
+	int allow_csd;
 	int noswallow;
 	int noblur;
 	float focused_opacity;
@@ -1544,6 +1545,7 @@ void parse_option(Config *config, char *key, char *value) {
 		rule->ignore_minimize = -1;
 		rule->isnosizehint = -1;
 		rule->isterm = -1;
+		rule->allow_csd = -1;
 		rule->noswallow = -1;
 		rule->noblur = -1;
 		rule->nofadein = -1;
@@ -1636,6 +1638,8 @@ void parse_option(Config *config, char *key, char *value) {
 					rule->isnosizehint = atoi(val);
 				} else if (strcmp(key, "isterm") == 0) {
 					rule->isterm = atoi(val);
+				} else if (strcmp(key, "allow_csd") == 0) {
+					rule->allow_csd = atoi(val);
 				} else if (strcmp(key, "noswallow") == 0) {
 					rule->noswallow = atoi(val);
 				} else if (strcmp(key, "noblur") == 0) {
diff --git a/src/mango.c b/src/mango.c
index c339fb0..c298f19 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -324,6 +324,7 @@ struct Client {
 	bool need_output_flush;
 	struct dwl_animation animation;
 	int isterm, noswallow;
+	int allow_csd;
 	pid_t pid;
 	Client *swallowing, *swallowedby;
 	bool is_clip_to_hide;
@@ -1127,6 +1128,7 @@ void toggle_hotarea(int x_root, int y_root) {
 
 static void apply_rule_properties(Client *c, const ConfigWinRule *r) {
 	APPLY_INT_PROP(c, r, isterm);
+	APPLY_INT_PROP(c, r, allow_csd);
 	APPLY_INT_PROP(c, r, noswallow);
 	APPLY_INT_PROP(c, r, nofadein);
 	APPLY_INT_PROP(c, r, nofadeout);
@@ -3507,6 +3509,8 @@ void init_client_properties(Client *c) {
 	c->master_mfact_per = 0.0f;
 	c->master_inner_per = 0.0f;
 	c->stack_innder_per = 0.0f;
+	c->isterm = 0;
+	c->allow_csd = 0;
 }
 
 void // old fix to 0.5
@@ -4102,9 +4106,21 @@ skip:
 
 void requestdecorationmode(struct wl_listener *listener, void *data) {
 	Client *c = wl_container_of(listener, c, set_decoration_mode);
-	if (c->surface.xdg->initialized)
-		wlr_xdg_toplevel_decoration_v1_set_mode(
-			c->decoration, WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
+	struct wlr_xdg_toplevel_decoration_v1 *deco = data;
+
+	if (c->surface.xdg->initialized) {
+		// 获取客户端请求的模式
+		enum wlr_xdg_toplevel_decoration_v1_mode requested_mode =
+			deco->requested_mode;
+
+		// 如果客户端没有指定，使用默认模式
+		if (!c->allow_csd) {
+			requested_mode = WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
+		}
+
+		// 尊重客户端的请求
+		wlr_xdg_toplevel_decoration_v1_set_mode(c->decoration, requested_mode);
+	}
 }
 
 void requeststartdrag(struct wl_listener *listener, void *data) {