From b199e135c4af8be8db444058aa553fd033237fa6 Mon Sep 17 00:00:00 2001
From: PiEgg <marksz@teamsz.xyz>
Date: Wed, 25 Mar 2026 14:52:25 +0800
Subject: [PATCH] fix(client): prevent empty display text from crashing field
 rendering (#8950)

---
 .../client/src/flow/models/fields/DisplayTextFieldModel.tsx   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/core/client/src/flow/models/fields/DisplayTextFieldModel.tsx b/packages/core/client/src/flow/models/fields/DisplayTextFieldModel.tsx
index febcdc6e560..760cecd0b51 100644
--- a/packages/core/client/src/flow/models/fields/DisplayTextFieldModel.tsx
+++ b/packages/core/client/src/flow/models/fields/DisplayTextFieldModel.tsx
@@ -12,9 +12,9 @@ import React from 'react';
 import { ClickableFieldModel } from './ClickableFieldModel';
 
 export class DisplayTextFieldModel extends ClickableFieldModel {
-  t(value: string) {
+  t(value: string | undefined | null) {
     // 如果 value 是 {{ 开头 }} 结尾，则认为是 i18n 表达式，需要翻译
-    if (value.startsWith('{{') && value.endsWith('}}')) {
+    if (value?.startsWith('{{') && value?.endsWith('}}')) {
       return this.translate(value);
     }
     return value;