diff --git a/pkg/bbgo/config.go b/pkg/bbgo/config.go
index 89cb61815..88441fd9f 100644
--- a/pkg/bbgo/config.go
+++ b/pkg/bbgo/config.go
@@ -52,10 +52,12 @@ type NotificationConfig struct {
 }
 
 type Session struct {
-	ExchangeName string `json:"exchange" yaml:"exchange"`
-	EnvVarPrefix string `json:"envVarPrefix" yaml:"envVarPrefix"`
-	PublicOnly   bool   `json:"publicOnly,omitempty" yaml:"publicOnly"`
-	Margin       bool   `json:"margin,omitempty" yaml:"margin"`
+	ExchangeName   string `json:"exchange" yaml:"exchange"`
+	EnvVarPrefix   string `json:"envVarPrefix" yaml:"envVarPrefix"`
+	PublicOnly     bool   `json:"publicOnly,omitempty" yaml:"publicOnly"`
+	Margin         bool   `json:"margin,omitempty" yaml:"margin"`
+	IsolatedMargin bool   `json:"isolatedMargin,omitempty" yaml:"isolatedMargin,omitempty"`
+	IsolatedMarginSymbol string `json:"isolatedMarginSymbol,omitempty" yaml:"isolatedMarginSymbol,omitempty"`
 }
 
 type Backtest struct {
diff --git a/pkg/bbgo/environment.go b/pkg/bbgo/environment.go
index b7814d6a4..a49aefde2 100644
--- a/pkg/bbgo/environment.go
+++ b/pkg/bbgo/environment.go
@@ -147,7 +147,7 @@ func (environ *Environment) AddExchangesFromSessionConfig(sessions map[string]Se
 				return fmt.Errorf("exchange %s does not support margin", exchangeName)
 			}
 
-			marginExchange.UseMargin(true)
+			marginExchange.UseIsolatedMargin(sessionConfig.Margin)
 		}
 
 		environ.AddExchange(sessionName, exchange)