diff --git a/Controller/BigScreenController.py b/Controller/BigScreenController.py
index 78e3ac6..867b40e 100644
--- a/Controller/BigScreenController.py
+++ b/Controller/BigScreenController.py
@@ -5,15 +5,11 @@ from Model.RenkouModel import RenkouModel
 # 创建APIRouter实例
 router = APIRouter(prefix="/bigscreen", tags=["大屏展示"])
 
-# 定义路由
+# 默认的根路由
 @router.get("/")
 async def root():
     return {"message": "Welcome to YunNan Education World!"}
 
-@router.get("/chart/bar")
-async def get_bar_chart_config():
-    return RenkouModel.generate_population_chart_config()
-
 @router.get("/population/chart/{year}")
 async def get_population_chart_config(year: str = "2024"):
     return RenkouModel.generate_population_chart_config(year)
@@ -22,6 +18,3 @@ async def get_population_chart_config(year: str = "2024"):
 async def get_urbanization_rate_chart_config():
     return RenkouModel.generate_urbanization_rate_chart_config()
 
-@router.get("/population/data")
-async def get_population_data():
-    return {"data": RenkouModel.load_population_data()}
diff --git a/Controller/__pycache__/BigScreenController.cpython-310.pyc b/Controller/__pycache__/BigScreenController.cpython-310.pyc
new file mode 100644
index 0000000..3ce00b2
Binary files /dev/null and b/Controller/__pycache__/BigScreenController.cpython-310.pyc differ
diff --git a/Start.py b/Start.py
index f527fa4..d1b05ce 100644
--- a/Start.py
+++ b/Start.py
@@ -3,7 +3,7 @@
 from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
 import uvicorn
-from Controller.BigScreen import router as bigscreen_router
+from Controller.BigScreenController import router as bigscreen_router
 
 # 创建 FastAPI 应用实例
 app = FastAPI(title="云南教育决策研究服务系统", description="云南省教育数据分析和可视化平台")
diff --git a/static/js/script.js b/static/js/script.js
index d334f25..09007fb 100644
--- a/static/js/script.js
+++ b/static/js/script.js
@@ -65,6 +65,9 @@ $(document).ready(function() {
     $('#loadPopulationChart').on('click', loadPopulationChartData);
     $('#loadUrbanizationChart').on('click', loadUrbanizationRateChartData);
 
+    // 添加年份选择器变化事件监听
+    $('#yearSelect').on('change', loadPopulationChartData);
+
     // 自动加载图表
     loadPopulationChartData();
     loadUrbanizationRateChartData();