From 4b2635abbcf16a94ac5b6facf41160f3c104461c Mon Sep 17 00:00:00 2001
From: qinhaoyan <30946345+qinhaoyan@users.noreply.github.com>
Date: Fri, 17 Mar 2023 11:09:16 +0800
Subject: [PATCH] =?UTF-8?q?theme:=20=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/amis-core/src/utils/style-helper.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/amis-core/src/utils/style-helper.ts b/packages/amis-core/src/utils/style-helper.ts
index 38846437d..d9b7a169a 100644
--- a/packages/amis-core/src/utils/style-helper.ts
+++ b/packages/amis-core/src/utils/style-helper.ts
@@ -255,7 +255,9 @@ export function insertCustomStyle(
     return;
   }
   const {value} = formatStyle(themeCss, classNames, id, defaultData);
-  insertStyle(value, id?.replace('u:', '') || uuid());
+  if (value) {
+    insertStyle(value, id?.replace('u:', '') || uuid());
+  }
 }
 
 /**