diff --git a/api-service/controller/env_instance.go b/api-service/controller/env_instance.go
index 0478b5e..1187045 100644
--- a/api-service/controller/env_instance.go
+++ b/api-service/controller/env_instance.go
@@ -94,6 +94,7 @@ func (ctrl *EnvInstanceController) CreateEnvInstance(c *gin.Context) {
 		}
 		secondImageName := imagePrefix + ":" + req.Datasource
 		backendEnv.DeployConfig["secondImageName"] = secondImageName
+		backendEnv.DeployConfig["dataSource"] = req.Datasource
 	}
 	if req.EnvironmentVariables != nil {
 		backendEnv.DeployConfig["environment_variables"] = req.EnvironmentVariables