From 528c1db73a28d900eeb4478f75403ee1195362c1 Mon Sep 17 00:00:00 2001
From: dataeaseShu <tong.shu@fit2cloud.com>
Date: Wed, 18 Mar 2026 13:56:26 +0800
Subject: [PATCH] fix(Data Source): Unable to save after deleting all table
 relationships.

---
 frontend/src/views/ds/TableRelationship.vue | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/src/views/ds/TableRelationship.vue b/frontend/src/views/ds/TableRelationship.vue
index 9e83ff69..b4d953e2 100644
--- a/frontend/src/views/ds/TableRelationship.vue
+++ b/frontend/src/views/ds/TableRelationship.vue
@@ -406,7 +406,7 @@ const drop = (e: any) => {
   })
 }
 const save = () => {
-  datasourceApi.relationSave(props.id, graph.toJSON().cells).then(() => {
+  datasourceApi.relationSave(props.id, graph ? graph.toJSON().cells : []).then(() => {
     ElMessage({
       type: 'success',
       message: t('common.save_success'),
@@ -447,7 +447,7 @@ const save = () => {
     @drop.prevent.stop="drop"
   ></div>
   <div class="save-btn">
-    <el-button v-if="nodeIds.length" type="primary" @click="save">
+    <el-button type="primary" @click="save">
       {{ t('common.save') }}
     </el-button>
   </div>