diff --git a/cryptoai/api/__pycache__/binance_api.cpython-313.pyc b/cryptoai/api/__pycache__/binance_api.cpython-313.pyc
index 7d3d072..6e4225a 100644
Binary files a/cryptoai/api/__pycache__/binance_api.cpython-313.pyc and b/cryptoai/api/__pycache__/binance_api.cpython-313.pyc differ
diff --git a/cryptoai/api/binance_api.py b/cryptoai/api/binance_api.py
index 19699a5..40984fa 100644
--- a/cryptoai/api/binance_api.py
+++ b/cryptoai/api/binance_api.py
@@ -84,7 +84,7 @@ class BinanceAPI:
             print(f"获取交易对大户持仓多空比时出错: {e}")
             return 0
 
-    def get_historical_klines(self, symbol: str, interval: str, start_str: str, end_str: Optional[str] = None, limit: Optional[int] = None) -> pd.DataFrame:
+    def get_historical_klines(self, symbol: str, interval: str, start_str: Optional[str] = None, end_str: Optional[str] = None, limit: Optional[int] = None) -> pd.DataFrame:
         """
         获取历史K线数据
         
diff --git a/cryptoai/routes/crypto.py b/cryptoai/routes/crypto.py
index fa5a963..f48ca23 100644
--- a/cryptoai/routes/crypto.py
+++ b/cryptoai/routes/crypto.py
@@ -14,7 +14,7 @@ from cryptoai.routes.user import get_current_user
 import requests
 from cryptoai.api.binance_api import get_binance_api
 from cryptoai.models.data_processor import DataProcessor
-
+from datetime import timedelta
 # 创建路由
 router = APIRouter()
 
@@ -32,20 +32,11 @@ class CryptoAnalysisRequest(BaseModel):
     timeframe: Optional[str] = None
 
 @router.get("/kline/{symbol}")
-async def get_crypto_kline(symbol: str, timeframe: Optional[str] = None, start_time: Optional[str] = None, end_time: Optional[str] = None, limit: Optional[int] = 200):
+async def get_crypto_kline(symbol: str, timeframe: Optional[str] = None, limit: Optional[int] = 200):
     
     binance_api = get_binance_api()
-
-    if not start_time:
-        # 今年1月 1 日
-        start_time = datetime.now().strftime("%Y-01-01 00:00:00")    
-    if not end_time:
-        # 今天
-        end_time = datetime.now().strftime("%Y-%m-%d 23:59:59")
-
-    print(f"symbol: {symbol}, timeframe: {timeframe}, start_time: {start_time}, end_time: {end_time}")
     
-    kline = binance_api.get_historical_klines(symbol, timeframe, start_time, end_time, limit=limit)
+    kline = binance_api.get_historical_klines(symbol=symbol, interval=timeframe, limit=limit)
     
     data_processor = DataProcessor()
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 1df7cc4..47236b4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,7 +29,7 @@ services:
   cryptoai-api:
     build: .
     container_name: cryptoai-api
-    image: cryptoai-api:0.0.25
+    image: cryptoai-api:0.0.26
     restart: always
     ports:
       - "8000:8000"