diff --git a/internal/dashboard/handler/conn_handler.go b/internal/dashboard/handler/conn_handler.go
index de45ede56..013aca73d 100644
--- a/internal/dashboard/handler/conn_handler.go
+++ b/internal/dashboard/handler/conn_handler.go
@@ -201,7 +201,7 @@ func CreateOBTenantConnTerminal(c *gin.Context) (*response.OBConnection, error)
 	}
 
 	// Select unit information from the oceanbase cluster
-	db, err := getSysClient(c, obcluster, oceanbaseconst.RootUser, oceanbaseconst.SysTenant, obtenant.Spec.Credentials.Root)
+	db, err := getSysClient(c, obcluster, oceanbaseconst.RootUser, oceanbaseconst.SysTenant, obcluster.Spec.UserSecrets.Root)
 	if err != nil {
 		return nil, httpErr.NewInternal(err.Error())
 	}