diff --git a/src/main/activities/avg_scene.cpp b/src/main/activities/avg_scene.cpp
index 17914d2..0e47d9d 100644
--- a/src/main/activities/avg_scene.cpp
+++ b/src/main/activities/avg_scene.cpp
@@ -93,4 +93,5 @@ void avg_scene::render() {
         auto offset = ent->hbox.offset / spr.scalev;
         spr.render(parent, glut::coord{int(offset.x), int(offset.y)} - camera_pos);
     }
+    if (cust_render) { cust_render(); }
 }
diff --git a/src/main/activities/avg_scene.hpp b/src/main/activities/avg_scene.hpp
index dfa8070..64f9bca 100644
--- a/src/main/activities/avg_scene.hpp
+++ b/src/main/activities/avg_scene.hpp
@@ -60,6 +60,7 @@ class avg_scene : public sf::base_activity {
     entity_comp_t sprites_sorter = default_sprites_sorter();
     std::optional<map_render_data> bound_map;
     eng::basics::vec2 velocity_direction = {0, 0};
+    std::function<void()> cust_render;
     std::any script_data;
 
 
diff --git a/src/main/activities/avg_scripts/dorm_balcony.cpp b/src/main/activities/avg_scripts/dorm_balcony.cpp
index 673b7bd..207c5d0 100644
--- a/src/main/activities/avg_scripts/dorm_balcony.cpp
+++ b/src/main/activities/avg_scripts/dorm_balcony.cpp
@@ -1,5 +1,6 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -19,6 +20,10 @@ void acts::avg_scripts::dorm_balcony(avg_scene& self, const std::optional<eng::b
         self.bound_map.emplace(&maps::dorm_balcony(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, room_number]() {
+            render_number(self.parent, room_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{0, 128, 0, 352}},
diff --git a/src/main/activities/avg_scripts/dorm_corridor_left.cpp b/src/main/activities/avg_scripts/dorm_corridor_left.cpp
index 8573623..c249cd3 100644
--- a/src/main/activities/avg_scripts/dorm_corridor_left.cpp
+++ b/src/main/activities/avg_scripts/dorm_corridor_left.cpp
@@ -1,5 +1,6 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -19,6 +20,10 @@ void acts::avg_scripts::dorm_corridor_left(avg_scene& self, const std::optional<
         self.bound_map.emplace(&maps::dorm_corridor_left(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, floor_number]() {
+            render_number(self.parent, floor_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{128, 384, 0, 128}},
diff --git a/src/main/activities/avg_scripts/dorm_corridor_middle.cpp b/src/main/activities/avg_scripts/dorm_corridor_middle.cpp
index be677c8..2cdc441 100644
--- a/src/main/activities/avg_scripts/dorm_corridor_middle.cpp
+++ b/src/main/activities/avg_scripts/dorm_corridor_middle.cpp
@@ -1,5 +1,6 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -19,6 +20,10 @@ void acts::avg_scripts::dorm_corridor_middle(avg_scene& self, const std::optiona
         self.bound_map.emplace(&maps::dorm_corridor_middle(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, floor_number]() {
+            render_number(self.parent, floor_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{0, 1024, 0, 240}},
diff --git a/src/main/activities/avg_scripts/dorm_corridor_right.cpp b/src/main/activities/avg_scripts/dorm_corridor_right.cpp
index d0e8352..2a52a53 100644
--- a/src/main/activities/avg_scripts/dorm_corridor_right.cpp
+++ b/src/main/activities/avg_scripts/dorm_corridor_right.cpp
@@ -1,5 +1,6 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -19,6 +20,10 @@ void acts::avg_scripts::dorm_corridor_right(avg_scene& self, const std::optional
         self.bound_map.emplace(&maps::dorm_corridor_right(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, floor_number]() {
+            render_number(self.parent, floor_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{128, 384, 0, 128}},
diff --git a/src/main/activities/avg_scripts/dorm_room.cpp b/src/main/activities/avg_scripts/dorm_room.cpp
index 10cd51e..2a3edfd 100644
--- a/src/main/activities/avg_scripts/dorm_room.cpp
+++ b/src/main/activities/avg_scripts/dorm_room.cpp
@@ -1,5 +1,7 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
+#include "activities/plane_battle_scene.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -46,6 +48,10 @@ void acts::avg_scripts::dorm_room(avg_scene& self, const std::optional<eng::basi
         self.bound_map.emplace(&maps::dorm_room(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, room_number]() {
+            render_number(self.parent, room_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{0, 128, 0, 1056}},
@@ -75,6 +81,13 @@ void acts::avg_scripts::dorm_room(avg_scene& self, const std::optional<eng::basi
             colls[{person.ptr(), table_2.ptr()}] = [&](){ self.next<acts::avg_scene>("black_jack_entry", points.black_jack_entry_left); };
             colls[{person.ptr(), table_3.ptr()}] = [&](){ self.next<acts::avg_scene>("dorm_room", std::nullopt, "508"); };
         }
+        if (room_number == 238) {
+            colls[{person.ptr(), table_2.ptr()}] = [&](){
+                person.data.velocity = {0, 0};
+                self.simu->teleport_entity_center(person.ptr(), points.dorm_room_default);
+                self.call<acts::plane_battle_scene>();
+            };
+        }
 
         while (true) {
             auto [_, evt_data] = co_await self.cohost.wait_event({simu_coro_host::EVT_COLLISION});
diff --git a/src/main/activities/avg_scripts/dorm_stairs.cpp b/src/main/activities/avg_scripts/dorm_stairs.cpp
index 2fcc538..5f6c305 100644
--- a/src/main/activities/avg_scripts/dorm_stairs.cpp
+++ b/src/main/activities/avg_scripts/dorm_stairs.cpp
@@ -1,5 +1,6 @@
 #include "../avg_scripts.hpp"
 #include "./utils.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -19,6 +20,10 @@ void acts::avg_scripts::dorm_stairs(avg_scene& self, const std::optional<eng::ba
         self.bound_map.emplace(&maps::dorm_stairs(), 4.0);
         self.bound_sprites[person.ptr()] = {&sprites::container_small(), 4.0, {0, -36}};
 
+        self.cust_render = [&, floor_number]() {
+            render_number(self.parent, floor_number, {24, 48, 24, 72});
+        };
+
         // 地图边界固定阻挡物
         simulator::entity_node_t obstacles[] = {
             {basics::aabb{0, 128, 0, 384}},
diff --git a/src/main/activities/black_jack.cpp b/src/main/activities/black_jack.cpp
index 3550f23..ad5454e 100644
--- a/src/main/activities/black_jack.cpp
+++ b/src/main/activities/black_jack.cpp
@@ -1,6 +1,7 @@
 #include <algorithm>
 #include <random>
 #include "./black_jack.hpp"
+#include "activities/render_utils.hpp"
 
 using namespace acts;
 using namespace silly_framework;
@@ -148,28 +149,17 @@ black_jack_scene::black_jack_scene(game_window &window) : base_activity(window)
 
 black_jack_scene::~black_jack_scene() {}
 
-void black_jack_scene::render_img(const std::string& path, const glut::position& pos) {
-    auto&& [vs_w, vs_h] = parent.renman.vs_size();
-    auto img = parent.texman.get_texture(path);
-    if (img != nullptr) { parent.renman.blit(img->tex, glut::xy_trans(pos, vs_w, vs_h, glut::eye4), glut::full_uv); }
-}
-
-void black_jack_scene::render_bg(const std::string& path) {
-    auto img = parent.texman.get_texture(path);
-    if (img != nullptr) { parent.renman.blit(img->tex, glut::full_xy, glut::full_uv); }
-}
-
 void black_jack_scene::render() {
-    render_bg("black_jack_table.png");
+    render_bg(parent, "black_jack_table.png");
     if (state) {
         auto render_poker = [&](size_t card_id, const glut::position& pos) {
-            render_img(std::format("pokers/{}.png", card_id), pos);
+            render_img(parent, std::format("pokers/{}.png", card_id), pos);
         };
         auto render_number = [&](ssize_t n, const glut::position& pos) {
             auto ns = std::to_string(n);
             auto rpos = pos;
             for (auto&& nc : ns) {
-                render_img(std::format("power_numbers/{}.png", nc), rpos);
+                render_img(parent, std::format("power_numbers/{}.png", nc), rpos);
                 rpos += glut::coord(pos.width(), 0);
             }
         };
@@ -186,7 +176,7 @@ void black_jack_scene::render() {
             render_poker(state->player_cards[i], poker_pos);
         }
         bool btn_selected = select_cursor == state->player_cards.size();
-        render_img(btn_selected ? "go_button_focus.png" : "go_button_idle.png", {886, 992, 598, 662});
+        render_img(parent, btn_selected ? "go_button_focus.png" : "go_button_idle.png", {886, 992, 598, 662});
 
         render_number(state->opponent_success, {640, 688, 64, 160});
         render_number(state->player_success, {900, 948, 480, 576});
@@ -205,8 +195,8 @@ void black_jack_scene::render() {
         if (state->finished()) {
             using enum black_jack_state::result_code;
             auto result = state->status();
-            if (result == LOSE || result == TIE) { render_img("trophy.png", {288, 416, 32, 160}); }
-            if (result == WIN || result == TIE) { render_img("trophy.png", {32, 160, 512, 640}); }
+            if (result == LOSE || result == TIE) { render_img(parent, "trophy.png", {288, 416, 32, 160}); }
+            if (result == WIN || result == TIE) { render_img(parent, "trophy.png", {32, 160, 512, 640}); }
         }
     }
 }
diff --git a/src/main/activities/black_jack.hpp b/src/main/activities/black_jack.hpp
index 8ec6381..2cf0c46 100644
--- a/src/main/activities/black_jack.hpp
+++ b/src/main/activities/black_jack.hpp
@@ -43,9 +43,6 @@ class black_jack_scene : public sf::base_activity {
 
     black_jack_scene(sf::game_window& window);
     ~black_jack_scene();
-
-    void render_bg(const std::string& path);
-    void render_img(const std::string& path, const sf::glut::position& pos);
     
     void render() override;
     void on_key_change() override;
diff --git a/src/main/activities/plane_battle_scene.cpp b/src/main/activities/plane_battle_scene.cpp
index fd3c745..d2a2be7 100644
--- a/src/main/activities/plane_battle_scene.cpp
+++ b/src/main/activities/plane_battle_scene.cpp
@@ -2,6 +2,7 @@
 #include <random>
 #include <format>
 #include "./plane_battle_scene.hpp"
+#include "activities/render_utils.hpp"
 #include "static_sprites.hpp"
 #include "static_maps.hpp"
 
@@ -213,21 +214,6 @@ void plane_battle_scene::on_tick(double this_time, double last_time) {
     }
 }
 
-static inline void render_img(game_window& wnd, const std::string& path, const glut::position& pos) {
-    auto&& [vs_w, vs_h] = wnd.renman.vs_size();
-    auto img = wnd.texman.get_texture(path);
-    if (img != nullptr) { wnd.renman.blit(img->tex, glut::xy_trans(pos, vs_w, vs_h, glut::eye4), glut::full_uv); }
-}
-
-static inline void render_number(game_window& wnd, ssize_t n, const glut::position& pos) {
-    auto ns = std::to_string(n);
-    auto rpos = pos;
-    for (auto&& nc : ns) {
-        render_img(wnd, std::format("power_numbers/{}.png", nc), rpos);
-        rpos += glut::coord(pos.width(), 0);
-    }
-};
-
 void plane_battle_scene::render() {
     gl::ClearColor(0, 0, 0, 0);
     
diff --git a/src/main/activities/render_utils.hpp b/src/main/activities/render_utils.hpp
new file mode 100644
index 0000000..cbc1940
--- /dev/null
+++ b/src/main/activities/render_utils.hpp
@@ -0,0 +1,33 @@
+#pragma once
+#ifndef __ACTS_RENDER_UTILS__
+#define __ACTS_RENDER_UTILS__
+
+#include <silly_framework.hpp>
+
+namespace acts {
+
+namespace sf = silly_framework;
+
+static inline void render_bg(sf::game_window& wnd, const std::string& path) {
+    auto img = wnd.texman.get_texture(path);
+    if (img != nullptr) { wnd.renman.blit(img->tex, sf::glut::full_xy, sf::glut::full_uv); }
+}
+
+static inline void render_img(sf::game_window& wnd, const std::string& path, const sf::glut::position& pos) {
+    auto&& [vs_w, vs_h] = wnd.renman.vs_size();
+    auto img = wnd.texman.get_texture(path);
+    if (img != nullptr) { wnd.renman.blit(img->tex, sf::glut::xy_trans(pos, vs_w, vs_h, sf::glut::eye4), sf::glut::full_uv); }
+}
+
+static inline void render_number(sf::game_window& wnd, ssize_t n, const sf::glut::position& pos) {
+    auto ns = std::to_string(n);
+    auto rpos = pos;
+    for (auto&& nc : ns) {
+        render_img(wnd, std::format("power_numbers/{}.png", nc), rpos);
+        rpos += sf::glut::coord(pos.width(), 0);
+    }
+};
+
+} // namespace acts
+
+#endif // __ACTS_RENDER_UTILS__
diff --git a/src/main/main.cpp b/src/main/main.cpp
index c623f99..6a2ec60 100644
--- a/src/main/main.cpp
+++ b/src/main/main.cpp
@@ -6,7 +6,6 @@
 #include "silly_framework/rewheel/os_misc.hpp"
 #include "silly_framework/settings/logger.hpp"
 #include "activities/avg_scene.hpp"
-#include "activities/plane_battle_scene.hpp"
 
 namespace sf = silly_framework;
 
@@ -24,8 +23,7 @@ int main(int argc, char** argv) {
     sf::logger::make(project_name, logfile_path.string());
     // 启动主窗口
     sf::game_window(project_name.c_str(), 60, std::chrono::milliseconds(10))
-        //.run<acts::avg_scene>("dorm_room", std::nullopt, "311");
-        .run<acts::plane_battle_scene>();
+        .run<acts::avg_scene>("dorm_room", std::nullopt, "508");
     // 再见...
     return 0;
 }