diff --git a/go.mod b/go.mod
index f967220..19cc445 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.22.0
 
 require (
 	git.qtrade.icu/coin-quant/base v0.0.0-20240625154116-db5c83a1dd97
-	git.qtrade.icu/coin-quant/exchange v0.0.0-20240625155123-430837ac683b
+	git.qtrade.icu/coin-quant/exchange v0.0.0-20240625160000-e6efa57fc063
 	git.qtrade.icu/coin-quant/indicator v0.0.0-20240625151736-c23020eee562
 	git.qtrade.icu/coin-quant/trademodel v0.0.0-20240625151548-cef4b6fc28b9
 	github.com/go-sql-driver/mysql v1.8.1
diff --git a/go.sum b/go.sum
index d02a525..cd83a0b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 git.qtrade.icu/coin-quant/base v0.0.0-20240625154116-db5c83a1dd97 h1:3Mx0bvsodQg0XgQbFZEUTJ8KFOW2yXMBM25qjHDXNf0=
 git.qtrade.icu/coin-quant/base v0.0.0-20240625154116-db5c83a1dd97/go.mod h1:UGO6cehLrOO0xEgEzVosvlakoTyxPz1rpvUtT7WDN8M=
-git.qtrade.icu/coin-quant/exchange v0.0.0-20240625155123-430837ac683b h1:sEQBCgRiHRqUcskW7Lz+2E08LfY7dUbccpgiUKhQ9ao=
-git.qtrade.icu/coin-quant/exchange v0.0.0-20240625155123-430837ac683b/go.mod h1:xlZzC4YB10wTfDL3OvmJEjYpaQ5Nl7gphE/63gaoShM=
+git.qtrade.icu/coin-quant/exchange v0.0.0-20240625160000-e6efa57fc063 h1:Qiwx3ebpx6Jnf0yfmgvZaaNqZoQrCBeY08wkBTe11AA=
+git.qtrade.icu/coin-quant/exchange v0.0.0-20240625160000-e6efa57fc063/go.mod h1:xlZzC4YB10wTfDL3OvmJEjYpaQ5Nl7gphE/63gaoShM=
 git.qtrade.icu/coin-quant/indicator v0.0.0-20240625151736-c23020eee562 h1:oA06Mq/hJtzJ6k7ZW6kd3RY9EBDLVCEPDFADiP9JwIk=
 git.qtrade.icu/coin-quant/indicator v0.0.0-20240625151736-c23020eee562/go.mod h1:x1+rqPrwJqPLETFdMQGhzp71Z3ZxAlNFExGVOhk+IT0=
 git.qtrade.icu/coin-quant/trademodel v0.0.0-20240625151548-cef4b6fc28b9 h1:9T1u+MzfbG9jZU1wzDtmBoOwN1m/fRX0iX7NbLwAHgU=