优化审批流

go/routers/backend/backend.go

@@ -27,6 +27,7 @@ func RegisterApprovalRoutes() {
 	beego.Router("/backend/approval/flow/save", &controllers.BackendApprovalController{}, "post:FlowSave")
 	beego.Router("/backend/approval/flow/delete/:id", &controllers.BackendApprovalController{}, "delete:FlowDelete")
 	beego.Router("/backend/approval/flow/pick", &controllers.BackendApprovalController{}, "get:Pick")
+	beego.Router("/backend/approval/flow/available", &controllers.BackendApprovalController{}, "get:AvailableFlows")
 }
 
 // RegisterProductRoutes 注册租户端「产品购买」路由。