diff --git a/docs/bindings/keys.md b/docs/bindings/keys.md
index 5abc716b..be8757c2 100644
--- a/docs/bindings/keys.md
+++ b/docs/bindings/keys.md
@@ -88,7 +88,7 @@ bindr=Super,Super_L,spawn,rofi -show run
 
 | Command | Param | Description |
 | :--- | :--- | :--- |
-| `killclient` | - | Close the focused window. |
+| `killclient` | `force` | Close the focused window. If `force` is specified, sends `SIGKILL`. |
 | `togglefloating` | - | Toggle floating state. |
 | `toggle_all_floating` | - | Toggle all visible clients floating state. |
 | `togglefullscreen` | - | Toggle fullscreen. |
diff --git a/src/action/client.h b/src/action/client.h
index b7960d70..f374ca14 100644
--- a/src/action/client.h
+++ b/src/action/client.h
@@ -86,4 +86,10 @@ void client_active(Client *c) {
 	target = get_tags_first_tag(c->tags);
 	view_in_mon(&(Arg){.ui = target}, true, c->mon, true);
 	focusclient(c, 1);
+}
+
+void client_pending_force_kill(Client *c) {
+	if (!c)
+		return;
+	kill(c->pid, SIGKILL);
 }
\ No newline at end of file
diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index b15e34a5..5379ddca 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -559,6 +559,26 @@ int32_t parse_direction(const char *str) {
 	}
 }
 
+int32_t parse_force(const char *str) {
+	// 将输入字符串转换为小写
+	char lowerStr[10];
+	int32_t i = 0;
+	while (str[i] && i < 9) {
+		lowerStr[i] = tolower(str[i]);
+		i++;
+	}
+	lowerStr[i] = '\0';
+
+	// 根据转换后的小写字符串返回对应的枚举值
+	if (strcmp(lowerStr, "unforce") == 0) {
+		return UNFORCE;
+	} else if (strcmp(lowerStr, "force") == 0) {
+		return FORCE;
+	} else {
+		return UNFORCE;
+	}
+}
+
 int32_t parse_fold_state(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[10];
@@ -1029,6 +1049,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 		(*arg).i = atoi(arg_value);
 	} else if (strcmp(func_name, "killclient") == 0) {
 		func = killclient;
+		(*arg).i = parse_force(arg_value);
 	} else if (strcmp(func_name, "centerwin") == 0) {
 		func = centerwin;
 	} else if (strcmp(func_name, "focuslast") == 0) {
diff --git a/src/dispatch/bind_define.h b/src/dispatch/bind_define.h
index b834ff5f..cf0f770a 100644
--- a/src/dispatch/bind_define.h
+++ b/src/dispatch/bind_define.h
@@ -345,7 +345,11 @@ int32_t setmfact(const Arg *arg) {
 int32_t killclient(const Arg *arg) {
 	Client *c = arg->tc ? arg->tc : (selmon ? selmon->sel : NULL);
 	if (c) {
-		pending_kill_client(c);
+		if (arg->i == FORCE) {
+			client_pending_force_kill(c);
+		} else {
+			pending_kill_client(c);
+		}
 	}
 	return 0;
 }
diff --git a/src/mango.c b/src/mango.c
index 47f12325..2f503a5e 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -190,6 +190,7 @@ enum { NONE, OPEN, MOVE, CLOSE, TAG, FOCUS, OPAFADEIN, OPAFADEOUT, OVERVIEW };
 enum { UNFOLD, FOLD, INVALIDFOLD };
 enum { PREV, NEXT };
 enum { STATE_UNSPECIFIED = 0, STATE_ENABLED, STATE_DISABLED };
+enum { FORCE, UNFORCE };
 
 enum tearing_mode {
 	TEARING_DISABLED = 0,