diff --git a/config/support.yaml b/config/support.yaml
index 69c01b714..f5d0dd47c 100644
--- a/config/support.yaml
+++ b/config/support.yaml
@@ -18,8 +18,8 @@ notifications:
     pnL: "bbgo-pnl"
 
 sessions:
-   binance:
-   exchange: binance
+  binance:
+    exchange: binance
 
 riskControls:
   # This is the session-based risk controller, which let you configure different risk controller by session.
@@ -52,7 +52,7 @@ backtest:
 
 exchangeStrategies:
 
-- on: binance
+- on:binance
   support:
     symbol: LINKUSDT
     interval: 1m