diff --git a/cryptoai/routes/crypto.py b/cryptoai/routes/crypto.py
index 564d567..d79ab25 100644
--- a/cryptoai/routes/crypto.py
+++ b/cryptoai/routes/crypto.py
@@ -32,12 +32,13 @@ class CryptoAnalysisRequest(BaseModel):
     timeframe: Optional[str] = None
 
 @router.get("/kline/{symbol}")
-async def get_crypto_kline(symbol: str, timeframe: Optional[str] = None, limit: Optional[int] = 200):
-    
-    if symbol.endswith("USDT"):
-        symbol = symbol
-    else:
-        symbol = symbol + "USDT"
+async def get_crypto_kline(symbol: str, timeframe: Optional[str] = None, limit: Optional[int] = 100):
+    # 检查symbol是否存在
+    tokens = get_db_manager().search_token(symbol)
+    if not tokens or len(tokens) == 0:
+        raise HTTPException(status_code=400, detail="您输入的币种在币安不存在，请检查后重新输入。")
+
+    symbol = tokens[0]["symbol"]
 
     binance_api = get_binance_api()
     result = {}
@@ -54,11 +55,12 @@ async def get_crypto_kline(symbol: str, timeframe: Optional[str] = None, limit:
 @router.post("/analysis_v2")
 async def analysis_crypto_v2(request: CryptoAnalysisRequest, 
                           current_user: dict = Depends(get_current_user)):
-    
-    if request.symbol.endswith("USDT"):
-        symbol = request.symbol
-    else:
-        symbol = request.symbol + "USDT"
+    # 检查symbol是否存在
+    tokens = get_db_manager().search_token(request.symbol)
+    if not tokens or len(tokens) == 0:
+        raise HTTPException(status_code=400, detail="您输入的币种在币安不存在，请检查后重新输入。")
+
+    symbol = tokens[0]["symbol"]
     
     url = 'https://mate.aimateplus.com/v1/workflows/run'
     token = 'app-BbaqIAMPi0ktgaV9IizMlc2N'
diff --git a/cryptoai/utils/db_manager.py b/cryptoai/utils/db_manager.py
index bb1352c..49d1bab 100644
--- a/cryptoai/utils/db_manager.py
+++ b/cryptoai/utils/db_manager.py
@@ -1784,7 +1784,7 @@ class DBManager:
             session = self.Session()
 
             # 使用 SQLAlchemy 的 ORM 查询
-            tokens = session.query(Token).filter(Token.symbol.like(f"{key}%")).limit(limit).all()
+            tokens = session.query(Token).filter(Token.symbol.like(f"{key}%") | Token.base_asset.like(f"{key}%")).limit(limit).all()
 
             return [{
                 'symbol': token.symbol,
diff --git a/docker-compose.yml b/docker-compose.yml
index cd19ce3..f9bdc4e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -29,7 +29,7 @@ services:
   cryptoai-api:
     build: .
     container_name: cryptoai-api
-    image: cryptoai-api:0.1.8
+    image: cryptoai-api:0.1.9
     restart: always
     ports:
       - "8000:8000"