diff --git a/frontend%2Futils/__init__.py b/frontend/utils/__init__.py
similarity index 100%
rename from frontend%2Futils/__init__.py
rename to frontend/utils/__init__.py
diff --git a/frontend/utils/api_client.py b/frontend/utils/api_client.py
new file mode 100644
index 0000000..afb8d18
--- /dev/null
+++ b/frontend/utils/api_client.py
@@ -0,0 +1,114 @@
+"""
+API客户端工具类
+用于与FastAPI后端通信
+"""
+import requests
+from typing import Optional, Dict, List
+import json
+
+class APIClient:
+    """API客户端"""
+    
+    def __init__(self, base_url: str = "http://127.0.0.1:8000"):
+        self.base_url = base_url.rstrip('/')
+    
+    def _get(self, endpoint: str, params: Optional[Dict] = None) -> Dict:
+        """GET请求"""
+        url = f"{self.base_url}{endpoint}"
+        try:
+            response = requests.get(url, params=params, timeout=5)
+            response.raise_for_status()
+            return response.json()
+        except requests.exceptions.RequestException as e:
+            raise Exception(f"API请求失败: {str(e)}")
+    
+    def _post(self, endpoint: str, data: Optional[Dict] = None, files: Optional[Dict] = None) -> Dict:
+        """POST请求"""
+        url = f"{self.base_url}{endpoint}"
+        try:
+            if files:
+                response = requests.post(url, files=files, timeout=30)
+            else:
+                response = requests.post(url, json=data, timeout=5)
+            response.raise_for_status()
+            return response.json()
+        except requests.exceptions.RequestException as e:
+            raise Exception(f"API请求失败: {str(e)}")
+    
+    def _delete(self, endpoint: str) -> Dict:
+        """DELETE请求"""
+        url = f"{self.base_url}{endpoint}"
+        try:
+            response = requests.delete(url, timeout=5)
+            response.raise_for_status()
+            return response.json()
+        except requests.exceptions.RequestException as e:
+            raise Exception(f"API请求失败: {str(e)}")
+    
+    # 学生相关API
+    def get_students(self) -> List[Dict]:
+        """获取学生列表"""
+        return self._get("/api/students/")
+    
+    def get_student(self, student_id: int) -> Dict:
+        """获取单个学生"""
+        return self._get(f"/api/students/{student_id}")
+    
+    def create_student(self, student_data: Dict) -> Dict:
+        """创建学生"""
+        return self._post("/api/students/", data=student_data)
+    
+    def import_students_from_excel(self, file_path: str) -> Dict:
+        """从Excel导入学生"""
+        with open(file_path, 'rb') as f:
+            files = {'file': (file_path.split('/')[-1], f, 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')}
+            return self._post("/api/students/import-excel", files=files)
+    
+    def delete_student(self, student_id: int) -> Dict:
+        """删除学生"""
+        return self._delete(f"/api/students/{student_id}")
+    
+    # 点名相关API
+    def start_rollcall(self, rollcall_type: str, student_id: Optional[int] = None) -> Dict:
+        """开始点名"""
+        data = {"rollcall_type": rollcall_type}
+        if student_id:
+            data["student_id"] = student_id
+        return self._post("/api/rollcall/start", data=data)
+    
+    def record_rollcall(self, record_data: Dict) -> Dict:
+        """记录点名结果"""
+        return self._post("/api/rollcall/record", data=record_data)
+    
+    def get_rollcall_records(self, skip: int = 0, limit: int = 100) -> List[Dict]:
+        """获取点名记录"""
+        return self._get("/api/rollcall/records", params={"skip": skip, "limit": limit})
+    
+    def transfer_rollcall(self, from_student_id: int, to_student_id: int) -> Dict:
+        """转移点名"""
+        return self._post("/api/rollcall/transfer", data={
+            "from_student_id": from_student_id,
+            "to_student_id": to_student_id
+        })
+    
+    # 积分相关API
+    def get_ranking(self, top_n: int = 10) -> Dict:
+        """获取积分排名"""
+        return self._get("/api/scores/ranking", params={"top_n": top_n})
+    
+    def export_scores(self, save_path: str) -> bool:
+        """导出积分详单"""
+        url = f"{self.base_url}/api/scores/export"
+        try:
+            response = requests.get(url, timeout=30)
+            response.raise_for_status()
+            with open(save_path, 'wb') as f:
+                f.write(response.content)
+            return True
+        except requests.exceptions.RequestException as e:
+            raise Exception(f"导出失败: {str(e)}")
+    
+    def get_statistics(self) -> Dict:
+        """获取统计信息"""
+        return self._get("/api/scores/statistics")
+