diff --git a/src/animation/client.h b/src/animation/client.h
index 2af6882..76c30db 100644
--- a/src/animation/client.h
+++ b/src/animation/client.h
@@ -795,7 +795,8 @@ void resize(Client *c, struct wlr_box geo, int interact) {
 			bbox); // 去掉这个推荐的窗口大小,因为有时推荐的窗口特别大导致平铺异常
 	}
 
-	if (!c->ismaxmizescreen && !c->isfullscreen && c->isfloating) {
+	if (!c->isnosizehint && !c->ismaxmizescreen && !c->isfullscreen &&
+		c->isfloating) {
 		client_set_size_bound(c);
 	}
 
diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index 19ce57f..e9e1040 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -50,6 +50,7 @@ typedef struct {
 	int isunglobal;
 	int isglobal;
 	int isoverlay;
+	int isnosizehint;
 	const char *monitor;
 	int offsetx;
 	int offsety;
@@ -1352,6 +1353,7 @@ void parse_config_line(Config *config, const char *line) {
 		rule->isunglobal = -1;
 		rule->isglobal = -1;
 		rule->isoverlay = -1;
+		rule->isnosizehint = -1;
 		rule->isterm = -1;
 		rule->noswallow = -1;
 		rule->monitor = NULL;
@@ -1433,6 +1435,8 @@ void parse_config_line(Config *config, const char *line) {
 					rule->focused_opacity = atof(val);
 				} else if (strcmp(key, "isoverlay") == 0) {
 					rule->isoverlay = atoi(val);
+				} else if (strcmp(key, "isnosizehint") == 0) {
+					rule->isnosizehint = atoi(val);
 				} else if (strcmp(key, "isterm") == 0) {
 					rule->isterm = atoi(val);
 				} else if (strcmp(key, "noswallow") == 0) {
diff --git a/src/mango.c b/src/mango.c
index d0517cb..6bf3431 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -265,7 +265,7 @@ struct Client {
 	unsigned int configure_serial;
 	struct wlr_foreign_toplevel_handle_v1 *foreign_toplevel;
 	int isfloating, isurgent, isfullscreen, isfakefullscreen,
-		need_float_size_reduce, isminied, isoverlay;
+		need_float_size_reduce, isminied, isoverlay, isnosizehint;
 	int ismaxmizescreen;
 	int overview_backup_bw;
 	int fullscreen_backup_x, fullscreen_backup_y, fullscreen_backup_w,
@@ -1052,6 +1052,7 @@ static void apply_rule_properties(Client *c, const ConfigWinRule *r) {
 	APPLY_INT_PROP(c, r, isnamedscratchpad);
 	APPLY_INT_PROP(c, r, isglobal);
 	APPLY_INT_PROP(c, r, isoverlay);
+	APPLY_INT_PROP(c, r, isnosizehint);
 	APPLY_INT_PROP(c, r, isunglobal);
 	APPLY_INT_PROP(c, r, scratchpad_width);
 	APPLY_INT_PROP(c, r, scratchpad_height);
@@ -1086,7 +1087,9 @@ int applyrulesgeom(Client *c) {
 
 		c->geom.width = r->width > 0 ? r->width : c->geom.width;
 		c->geom.height = r->height > 0 ? r->height : c->geom.height;
-		client_set_size_bound(c);
+
+		if (!c->isnosizehint)
+			client_set_size_bound(c);
 
 		// 重新计算居中的坐标
 		if (r->offsetx != 0 || r->offsety != 0 || r->width > 0 || r->height > 0)
@@ -1145,7 +1148,8 @@ void applyrules(Client *c) {
 			if (r->height > 0)
 				c->geom.height = r->height;
 
-			client_set_size_bound(c);
+			if (!c->isnosizehint)
+				client_set_size_bound(c);
 
 			if (r->offsetx || r->offsety || r->width > 0 || r->height > 0) {
 				hit_rule_pos = true;