diff --git a/docs/bindings/keys.md b/docs/bindings/keys.md
index 08cab9ad..225738b8 100644
--- a/docs/bindings/keys.md
+++ b/docs/bindings/keys.md
@@ -90,6 +90,7 @@ bindr=Super,Super_L,spawn,rofi -show run
 | :--- | :--- | :--- |
 | `killclient` | - | Close the focused window. |
 | `togglefloating` | - | Toggle floating state. |
+| `toggle_all_floating` | - | Toggle all visible clients floating state. |
 | `togglefullscreen` | - | Toggle fullscreen. |
 | `togglefakefullscreen` | - | Toggle "fake" fullscreen (remains constrained). |
 | `togglemaximizescreen` | - | Maximize window (keep decoration/bar). |
diff --git a/docs/window-management/rules.md b/docs/window-management/rules.md
index d3e60029..195f7f44 100644
--- a/docs/window-management/rules.md
+++ b/docs/window-management/rules.md
@@ -179,6 +179,7 @@ tagrule=id:Values,monitor_make:xxx,monitor_model:xxx,Parameter:Values
 | `monitor_serial` | string | monitor serial | Match by monitor serial number |
 | `layout_name` | string | layout name | Layout name to set |
 | `no_render_border` | integer | `0` / `1` | Disable render border |
+| `open_as_floating` | integer | `0` / `1` | New open window will be floating|
 | `no_hide` | integer | `0` / `1` | Not hide even if the tag is empty |
 | `nmaster` | integer | 0, 99 | Number of master windows |
 | `mfact` | float | 0.1–0.9 | Master area factor |
diff --git a/meson.build b/meson.build
index c538c927..5d09d536 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('mango', ['c', 'cpp'],
-  version : '0.12.6',
+  version : '0.12.7',
 )
 
 subdir('protocols')
diff --git a/nix/default.nix b/nix/default.nix
index 87d4bfd0..cb6497b9 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -67,8 +67,8 @@ stdenv.mkDerivation {
 
   meta = {
     mainProgram = "mango";
-    description = "A streamlined but feature-rich Wayland compositor";
-    homepage = "https://github.com/DreamMaoMao/mango";
+    description = "Practical and Powerful wayland compositor (dwm but wayland)";
+    homepage = "https://github.com/mangowm/mango";
     license = lib.licenses.gpl3Plus;
     maintainers = [];
     platforms = lib.platforms.unix;
diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index e9397161..7dd13418 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -182,6 +182,7 @@ typedef struct {
 	float mfact;
 	int32_t nmaster;
 	int32_t no_render_border;
+	int32_t open_as_floating;
 	int32_t no_hide;
 } ConfigTagRule;
 
@@ -649,9 +650,14 @@ uint32_t parse_mod(const char *mod_str) {
 	// 分割处理每个部分
 	token = strtok_r(input_copy, "+", &saveptr);
 	while (token != NULL) {
-		// 去除空白
-		while (*token == ' ' || *token == '\t')
-			token++;
+		// 去除前后空白
+		trim_whitespace(token);
+
+		// 如果 token 变成空字符串则跳过
+		if (*token == '\0') {
+			token = strtok_r(NULL, "+", &saveptr);
+			continue;
+		}
 
 		if (strncmp(token, "code:", 5) == 0) {
 			// 处理 code: 形式
@@ -1211,6 +1217,8 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 	} else if (strcmp(func_name, "scroller_stack") == 0) {
 		func = scroller_stack;
 		(*arg).i = parse_direction(arg_value);
+	} else if (strcmp(func_name, "toggle_all_floating") == 0) {
+		func = toggle_all_floating;
 	} else {
 		return NULL;
 	}
@@ -1928,6 +1936,7 @@ bool parse_option(Config *config, char *key, char *value) {
 		rule->nmaster = 0;
 		rule->mfact = 0.0f;
 		rule->no_render_border = 0;
+		rule->open_as_floating = 0;
 		rule->no_hide = 0;
 
 		bool parse_error = false;
@@ -1956,6 +1965,8 @@ bool parse_option(Config *config, char *key, char *value) {
 					rule->monitor_serial = strdup(val);
 				} else if (strcmp(key, "no_render_border") == 0) {
 					rule->no_render_border = CLAMP_INT(atoi(val), 0, 1);
+				} else if (strcmp(key, "open_as_floating") == 0) {
+					rule->open_as_floating = CLAMP_INT(atoi(val), 0, 1);
 				} else if (strcmp(key, "no_hide") == 0) {
 					rule->no_hide = CLAMP_INT(atoi(val), 0, 1);
 				} else if (strcmp(key, "nmaster") == 0) {
@@ -3811,6 +3822,8 @@ void parse_tagrule(Monitor *m) {
 				m->pertag->mfacts[tr.id] = tr.mfact;
 			if (tr.no_render_border >= 0)
 				m->pertag->no_render_border[tr.id] = tr.no_render_border;
+			if (tr.open_as_floating >= 0)
+				m->pertag->open_as_floating[tr.id] = tr.open_as_floating;
 		}
 	}
 
diff --git a/src/dispatch/bind_declare.h b/src/dispatch/bind_declare.h
index 7dced532..dbeebd33 100644
--- a/src/dispatch/bind_declare.h
+++ b/src/dispatch/bind_declare.h
@@ -70,3 +70,4 @@ int32_t disable_monitor(const Arg *arg);
 int32_t enable_monitor(const Arg *arg);
 int32_t toggle_monitor(const Arg *arg);
 int32_t scroller_stack(const Arg *arg);
+int32_t toggle_all_floating(const Arg *arg);
\ No newline at end of file
diff --git a/src/dispatch/bind_define.h b/src/dispatch/bind_define.h
index deec59d0..45ea836d 100644
--- a/src/dispatch/bind_define.h
+++ b/src/dispatch/bind_define.h
@@ -1866,3 +1866,27 @@ int32_t scroller_stack(const Arg *arg) {
 	arrange(selmon, false, false);
 	return 0;
 }
+
+int32_t toggle_all_floating(const Arg *arg) {
+	if (!selmon || !selmon->sel)
+		return 0;
+
+	Client *c = NULL;
+	bool should_floating = !selmon->sel->isfloating;
+
+	wl_list_for_each(c, &clients, link) {
+		if (VISIBLEON(c, selmon)) {
+
+			if (c->isfloating && !should_floating) {
+				c->old_master_inner_per = 0.0f;
+				c->old_stack_inner_per = 0.0f;
+				set_size_per(selmon, c);
+			}
+
+			if (c->isfloating != should_floating) {
+				setfloating(c, should_floating);
+			}
+		}
+	}
+	return 0;
+}
diff --git a/src/fetch/client.h b/src/fetch/client.h
index 0b142847..8fe831be 100644
--- a/src/fetch/client.h
+++ b/src/fetch/client.h
@@ -1,15 +1,12 @@
 bool check_hit_no_border(Client *c) {
-	int32_t i;
 	bool hit_no_border = false;
 	if (!render_border) {
 		hit_no_border = true;
 	}
 
-	for (i = 0; i < config.tag_rules_count; i++) {
-		if (c->tags & (1 << (config.tag_rules[i].id - 1)) &&
-			config.tag_rules[i].no_render_border) {
-			hit_no_border = true;
-		}
+	if (c->mon && !c->mon->isoverview &&
+		c->mon->pertag->no_render_border[get_tags_first_tag_num(c->tags)]) {
+		hit_no_border = true;
 	}
 
 	if (config.no_border_when_single && c && c->mon &&
@@ -19,6 +16,7 @@ bool check_hit_no_border(Client *c) {
 	}
 	return hit_no_border;
 }
+
 Client *termforwin(Client *w) {
 	Client *c = NULL;
 
diff --git a/src/mango.c b/src/mango.c
index 5314bd61..92f16aa4 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -930,12 +930,13 @@ static struct {
 #include "config/preset.h"
 
 struct Pertag {
-	uint32_t curtag, prevtag; /* current and previous tag */
-	int32_t *nmasters;		  /* number of windows in master area */
-	float *mfacts;			  /* mfacts per tag */
-	bool *no_hide;			  /* no_hide per tag */
-	bool *no_render_border;	  /* no_render_border per tag */
-	const Layout **ltidxs;	  /* matrix of tags and layouts indexes  */
+	uint32_t curtag, prevtag;  /* current and previous tag */
+	int32_t *nmasters;		   /* number of windows in master area */
+	float *mfacts;			   /* mfacts per tag */
+	bool *no_hide;			   /* no_hide per tag */
+	bool *no_render_border;	   /* no_render_border per tag */
+	int32_t *open_as_floating; /* open_as_floating per tag */
+	const Layout **ltidxs;	   /* matrix of tags and layouts indexes  */
 };
 
 #include "config/parse_config.h"
@@ -1401,6 +1402,25 @@ void set_float_malposition(Client *tc) {
 	tc->float_geom.y = tc->geom.y = y;
 }
 
+void client_reset_mon_tags(Client *c, Monitor *mon, uint32_t newtags) {
+	if (!newtags && mon && !mon->isoverview) {
+		c->tags = mon->tagset[mon->seltags];
+	} else if (!newtags && mon && mon->isoverview) {
+		c->tags = mon->ovbk_current_tagset;
+	} else if (newtags) {
+		c->tags = newtags;
+	} else {
+		c->tags = mon->tagset[mon->seltags];
+	}
+}
+
+void check_match_tag_floating_rule(Client *c, Monitor *mon) {
+	if (c->tags && !c->isfloating && mon && !c->swallowedby &&
+		mon->pertag->open_as_floating[get_tags_first_tag_num(c->tags)]) {
+		c->isfloating = 1;
+	}
+}
+
 void applyrules(Client *c) {
 	/* rule matching */
 	const char *appid, *title;
@@ -1525,6 +1545,7 @@ void applyrules(Client *c) {
 
 	int32_t fullscreen_state_backup =
 		c->isfullscreen || client_wants_fullscreen(c);
+
 	setmon(c, mon, newtags,
 		   !c->isopensilent &&
 			   !(client_is_x11_popup(c) && client_should_ignore_focus(c)) &&
@@ -1532,6 +1553,11 @@ void applyrules(Client *c) {
 			   (!c->istagsilent || !newtags ||
 				newtags & mon->tagset[mon->seltags]));
 
+	if (!c->isfloating) {
+		c->old_stack_inner_per = c->stack_inner_per;
+		c->old_master_inner_per = c->master_inner_per;
+	}
+
 	if (c->mon &&
 		!(c->mon == selmon && c->tags & c->mon->tagset[c->mon->seltags]) &&
 		!c->isopensilent && !c->istagsilent) {
@@ -2305,6 +2331,7 @@ void cleanupmon(struct wl_listener *listener, void *data) {
 	free(m->pertag->mfacts);
 	free(m->pertag->no_hide);
 	free(m->pertag->no_render_border);
+	free(m->pertag->open_as_floating);
 	free(m->pertag->ltidxs);
 	free(m->pertag);
 	free(m);
@@ -3050,9 +3077,10 @@ void createmon(struct wl_listener *listener, void *data) {
 	m->pertag->mfacts = calloc(config.tag_count + 1, sizeof(float));
 	m->pertag->no_hide = calloc(config.tag_count + 1, sizeof(bool));
 	m->pertag->no_render_border = calloc(config.tag_count + 1, sizeof(bool));
+	m->pertag->open_as_floating = calloc(config.tag_count + 1, sizeof(int32_t));
 	m->pertag->ltidxs = calloc(config.tag_count + 1, sizeof(const Layout *));
 	if (!m->pertag->nmasters || !m->pertag->mfacts || !m->pertag->no_hide ||
-		!m->pertag->no_render_border || !m->pertag->ltidxs)
+		!m->pertag->no_render_border || !m->pertag->open_as_floating || !m->pertag->ltidxs)
 		die("pertag member calloc failed");
 	if (chvt_backup_tag &&
 		regex_match(chvt_backup_selmon, m->wlr_output->name)) {
@@ -4058,9 +4086,9 @@ void init_client_properties(Client *c) {
 	c->master_mfact_per = 0.0f;
 	c->master_inner_per = 0.0f;
 	c->stack_inner_per = 0.0f;
-	c->old_stack_inner_per = 1.0f;
-	c->old_master_inner_per = 1.0f;
-	c->old_master_mfact_per = 1.0f;
+	c->old_stack_inner_per = 0.0f;
+	c->old_master_inner_per = 0.0f;
+	c->old_master_mfact_per = 0.0f;
 	c->isterm = 0;
 	c->allow_csd = 0;
 	c->force_maximize = 0;
@@ -5078,7 +5106,8 @@ setfloating(Client *c, int32_t floating) {
 		// 让当前tag中的全屏窗口退出全屏参与平铺
 		wl_list_for_each(fc, &clients,
 						 link) if (fc && fc != c && VISIBLEON(fc, c->mon) &&
-								   c->tags & fc->tags && ISFULLSCREEN(fc)) {
+								   c->tags & fc->tags && ISFULLSCREEN(fc) &&
+								   old_floating_state) {
 			clear_fullscreen_flag(fc);
 		}
 	}
@@ -5092,7 +5121,8 @@ setfloating(Client *c, int32_t floating) {
 								layers[c->isfloating ? LyrTop : LyrTile]);
 	}
 
-	if (!c->isfloating && old_floating_state) {
+	if (!c->isfloating && old_floating_state &&
+		(c->old_stack_inner_per > 0.0f || c->old_master_inner_per > 0.0f)) {
 		restore_size_per(c->mon, c);
 	}
 
@@ -5111,6 +5141,12 @@ setfloating(Client *c, int32_t floating) {
 	}
 
 	arrange(c->mon, false, false);
+
+	if (!c->isfloating) {
+		c->old_master_inner_per = c->master_inner_per;
+		c->old_stack_inner_per = c->stack_inner_per;
+	}
+
 	setborder_color(c);
 	printstatus();
 }
@@ -5391,15 +5427,8 @@ void setmon(Client *c, Monitor *m, uint32_t newtags, bool focus) {
 		/* Make sure window actually overlaps with the monitor */
 		reset_foreign_tolevel(c);
 		resize(c, c->geom, 0);
-		if (!newtags && !m->isoverview) {
-			c->tags = m->tagset[m->seltags];
-		} else if (!newtags && m->isoverview) {
-			c->tags = m->ovbk_current_tagset;
-		} else if (newtags) {
-			c->tags = newtags;
-		} else {
-			c->tags = m->tagset[m->seltags];
-		}
+		client_reset_mon_tags(c, m, newtags);
+		check_match_tag_floating_rule(c, m);
 		setfloating(c, c->isfloating);
 		setfullscreen(c, c->isfullscreen); /* This will call arrange(c->mon) */
 	}