diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index a559432..b2fd8eb 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -27,7 +27,6 @@ typedef struct {
 	uint32_t keycode2;
 	uint32_t keycode3;
 } MultiKeycode;
-
 typedef struct {
 	xkb_keysym_t keysym;
 	MultiKeycode keycode;
@@ -39,9 +38,7 @@ typedef struct {
 	KeySymCode keysymcode;
 	int32_t (*func)(const Arg *);
 	Arg arg;
-	char mode[28];
-	bool iscommonmode;
-	bool isdefaultmode;
+	int32_t keymode_idx; // 改为索引，指向config.keymodes数组
 	bool islockapply;
 	bool isreleaseapply;
 	bool ispassapply;
@@ -353,7 +350,9 @@ typedef struct {
 
 	struct xkb_rule_names xkb_rules;
 
-	char keymode[28];
+	KeyMode *keymodes;			 // 动态数组，存储所有keymode
+	int32_t keymodes_count;		 // keymode数量
+	int32_t current_keymode_idx; // 当前使用的keymode索引
 
 	struct xkb_context *ctx;
 	struct xkb_keymap *keymap;
@@ -364,6 +363,39 @@ Config config;
 
 void parse_config_file(Config *config, const char *file_path);
 
+// 查找或添加keymode，返回索引
+int32_t find_or_add_keymode(Config *config, const char *name) {
+	// 检查是否已存在
+	for (int32_t i = 0; i < config->keymodes_count; i++) {
+		if (strcmp(config->keymodes[i].name, name) == 0) {
+			return i;
+		}
+	}
+
+	// 添加新的keymode
+	config->keymodes = realloc(config->keymodes,
+							   (config->keymodes_count + 1) * sizeof(KeyMode));
+	if (!config->keymodes) {
+		fprintf(stderr, "Failed to allocate memory for keymodes\n");
+		return -1;
+	}
+
+	KeyMode *new_mode = &config->keymodes[config->keymodes_count];
+	new_mode->name = strdup(name);
+	new_mode->is_default = (strcmp(name, "default") == 0);
+	new_mode->is_common = (strcmp(name, "common") == 0);
+
+	return config->keymodes_count++; // 返回索引，然后增加计数
+}
+
+// 设置当前keymode
+void set_current_keymode(Config *config, const char *name) {
+	int32_t idx = find_or_add_keymode(config, name);
+	if (idx >= 0) {
+		config->current_keymode_idx = idx;
+	}
+}
+
 // Helper function to trim whitespace from start and end of a string
 void trim_whitespace(char *str) {
 	if (str == NULL || *str == '\0')
@@ -1204,7 +1236,7 @@ void run_exec_once() {
 
 bool parse_option(Config *config, char *key, char *value) {
 	if (strcmp(key, "keymode") == 0) {
-		snprintf(config->keymode, sizeof(config->keymode), "%.27s", value);
+		set_current_keymode(config, value);
 	} else if (strcmp(key, "animations") == 0) {
 		config->animations = atoi(value);
 	} else if (strcmp(key, "layer_animations") == 0) {
@@ -2252,17 +2284,7 @@ bool parse_option(Config *config, char *key, char *value) {
 		trim_whitespace(arg_value4);
 		trim_whitespace(arg_value5);
 
-		strcpy(binding->mode, config->keymode);
-		if (strcmp(binding->mode, "common") == 0) {
-			binding->iscommonmode = true;
-			binding->isdefaultmode = false;
-		} else if (strcmp(binding->mode, "default") == 0) {
-			binding->isdefaultmode = true;
-			binding->iscommonmode = false;
-		} else {
-			binding->isdefaultmode = false;
-			binding->iscommonmode = false;
-		}
+		binding->keymode_idx = config->current_keymode_idx;
 
 		parse_bind_flags(key, binding);
 		binding->keysymcode =
@@ -2983,6 +3005,16 @@ void free_config(void) {
 		config.cursor_theme = NULL;
 	}
 
+	if (config.keymodes) {
+		for (int32_t i = 0; i < config.keymodes_count; i++) {
+			free(config.keymodes[i].name);
+		}
+		free(config.keymodes);
+		config.keymodes = NULL;
+		config.keymodes_count = 0;
+		config.current_keymode_idx = -1;
+	}
+
 	// 释放 circle_layout
 	free_circle_layout(&config);
 
@@ -3342,6 +3374,9 @@ void set_value_default() {
 }
 
 void set_default_key_bindings(Config *config) {
+	// 确保common模式存在
+	int32_t common_idx = find_or_add_keymode(config, "common");
+
 	// 计算默认按键绑定的数量
 	size_t default_key_bindings_count =
 		sizeof(default_key_bindings) / sizeof(KeyBinding);
@@ -3359,8 +3394,10 @@ void set_default_key_bindings(Config *config) {
 	for (size_t i = 0; i < default_key_bindings_count; i++) {
 		config->key_bindings[config->key_bindings_count + i] =
 			default_key_bindings[i];
-		config->key_bindings[config->key_bindings_count + i].iscommonmode =
-			true;
+		// 设置keymode为common模式
+		config->key_bindings[config->key_bindings_count + i].keymode_idx =
+			common_idx;
+		// 设置其他标志
 		config->key_bindings[config->key_bindings_count + i].islockapply = true;
 	}
 
@@ -3383,6 +3420,9 @@ void parse_config(void) {
 	memset(&xkb_rules_options, 0, sizeof(xkb_rules_options));
 
 	// 初始化动态数组的指针为NULL，避免野指针
+	config.keymodes = NULL;
+	config.keymodes_count = 0;
+	config.current_keymode_idx = -1;
 	config.window_rules = NULL;
 	config.window_rules_count = 0;
 	config.monitor_rules = NULL;
@@ -3410,7 +3450,6 @@ void parse_config(void) {
 	config.tag_rules = NULL;
 	config.tag_rules_count = 0;
 	config.cursor_theme = NULL;
-	strcpy(config.keymode, "default");
 
 	create_config_keymap();
 
@@ -3437,6 +3476,7 @@ void parse_config(void) {
 
 	set_value_default();
 	parse_config_file(&config, filename);
+	set_current_keymode(&config, "default");
 	set_default_key_bindings(&config);
 	override_config();
 }
diff --git a/src/dispatch/bind_define.h b/src/dispatch/bind_define.h
index c0e51dc..fbf1cd3 100644
--- a/src/dispatch/bind_define.h
+++ b/src/dispatch/bind_define.h
@@ -560,11 +560,17 @@ int32_t setlayout(const Arg *arg) {
 }
 
 int32_t setkeymode(const Arg *arg) {
-	snprintf(keymode.mode, sizeof(keymode.mode), "%.27s", arg->v);
-	if (strcmp(keymode.mode, "default") == 0) {
-		keymode.isdefault = true;
+	free(server.keymode.name);
+	server.keymode.name = strdup(arg->v);
+	if (strcmp(server.keymode.name, "default") == 0) {
+		server.keymode.is_default = true;
 	} else {
-		keymode.isdefault = false;
+		server.keymode.is_default = false;
+	}
+	if (strcmp(server.keymode.name, "common") == 0) {
+		server.keymode.is_common = true;
+	} else {
+		server.keymode.is_common = false;
 	}
 	printstatus();
 	return 1;
diff --git a/src/ext-protocol/dwl-ipc.h b/src/ext-protocol/dwl-ipc.h
index ab0bdb8..ed93c95 100644
--- a/src/ext-protocol/dwl-ipc.h
+++ b/src/ext-protocol/dwl-ipc.h
@@ -202,7 +202,7 @@ void dwl_ipc_output_printstatus_to(DwlIpcOutput *ipc_output) {
 
 	if (wl_resource_get_version(ipc_output->resource) >=
 		ZDWL_IPC_OUTPUT_V2_KEYMODE_SINCE_VERSION) {
-		zdwl_ipc_output_v2_send_keymode(ipc_output->resource, keymode.mode);
+		zdwl_ipc_output_v2_send_keymode(ipc_output->resource, server.keymode.name);
 	}
 
 	if (wl_resource_get_version(ipc_output->resource) >=
diff --git a/src/mango.c b/src/mango.c
index 591d4f6..12ee9ee 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -234,6 +234,12 @@ typedef struct {
 	uint32_t ui2;
 } Arg;
 
+typedef struct {
+	char *name;		 // keymode名称
+	bool is_default; // 是否为默认模式
+	bool is_common;	 // 是否为公共模式
+} KeyMode;
+
 typedef struct {
 	uint32_t mod;
 	uint32_t button;
@@ -241,11 +247,6 @@ typedef struct {
 	const Arg arg;
 } Button; // 鼠标按键
 
-typedef struct {
-	char mode[28];
-	bool isdefault;
-} KeyMode;
-
 typedef struct {
 	uint32_t mod;
 	uint32_t dir;
@@ -538,7 +539,13 @@ typedef struct {
 	struct wl_listener destroy;
 } SessionLock;
 
+typedef struct {
+	KeyMode keymode;
+} Server;
+
 /* function declarations */
+static void init_server(void);
+static void free_server(void);
 static void applybounds(
 	Client *c,
 	struct wlr_box *bbox); // 设置边界规则,能让一些窗口拥有比较适合的大小
@@ -785,6 +792,7 @@ static bool client_is_in_same_stack(Client *sc, Client *tc, Client *fc);
 #include "layout/layout.h"
 
 /* variables */
+Server server;
 static const char broken[] = "broken";
 static pid_t child_pid = -1;
 static int32_t locked;
@@ -879,10 +887,7 @@ static struct wl_event_source *hide_source;
 static bool cursor_hidden = false;
 static bool tag_combo = false;
 static const char *cli_config_path = NULL;
-static KeyMode keymode = {
-	.mode = {'d', 'e', 'f', 'a', 'u', 'l', 't', '\0'},
-	.isdefault = true,
-};
+
 static struct {
 	enum wp_cursor_shape_device_v1_shape shape;
 	struct wlr_surface *surface;
@@ -967,6 +972,16 @@ static struct wlr_xwayland *xwayland;
 #include "layout/horizontal.h"
 #include "layout/vertical.h"
 
+void init_server() {
+	server.keymode = (KeyMode){
+		.is_default = true,
+		.is_common = false,
+		.name = strdup("default"),
+	};
+}
+
+void free_server() { free(server.keymode.name); }
+
 void client_change_mon(Client *c, Monitor *m) {
 	setmon(c, m, c->tags, true);
 	if (c->isfloating) {
@@ -2162,6 +2177,8 @@ void cleanup(void) {
 	/* Destroy after the wayland display (when the monitors are already
 	   destroyed) to avoid destroying them with an invalid scene output. */
 	wlr_scene_node_destroy(&scene->tree.node);
+
+	free_server();
 }
 
 void cleanupmon(struct wl_listener *listener, void *data) {
@@ -3489,6 +3506,7 @@ keybinding(uint32_t state, bool locked, uint32_t mods, xkb_keysym_t sym,
 	const KeyBinding *k;
 	int32_t ji;
 	int32_t isbreak = 0;
+	KeyMode bind_keymode;
 
 	// not allow modifier keys to be used as a keybinding
 	if (keycode == 50 || keycode == 37 || keycode == 133 || keycode == 64 ||
@@ -3519,8 +3537,11 @@ keybinding(uint32_t state, bool locked, uint32_t mods, xkb_keysym_t sym,
 			continue;
 
 		k = &config.key_bindings[ji];
-		if ((k->iscommonmode || (k->isdefaultmode && keymode.isdefault) ||
-			 (strcmp(keymode.mode, k->mode) == 0)) &&
+		bind_keymode = config.keymodes[k->keymode_idx];
+
+		if ((bind_keymode.is_common ||
+			 (bind_keymode.is_default && server.keymode.is_default) ||
+			 (strcmp(server.keymode.name, bind_keymode.name) == 0)) &&
 			CLEANMASK(mods) == CLEANMASK(k->mod) &&
 			((k->keysymcode.type == KEY_TYPE_SYM &&
 			  xkb_keysym_to_lower(sym) ==
@@ -5119,6 +5140,7 @@ void setup(void) {
 
 	setenv("XCURSOR_SIZE", "24", 1);
 	setenv("XDG_CURRENT_DESKTOP", "mango", 1);
+	init_server();
 	parse_config();
 	init_baked_points();