diff --git a/publish/changeLog.md b/publish/changeLog.md
index c0b19f5eb3..9172bf7d5e 100644
--- a/publish/changeLog.md
+++ b/publish/changeLog.md
@@ -5,6 +5,7 @@
 ### 修复
 
 - 修复存在多级弹窗时的背景显示问题
+- 增大在线导入自定义源文件的大小限制问题（#1857）
 
 ### 变更
 
diff --git a/src/renderer/views/Setting/components/UserApiOnlineImportModal.vue b/src/renderer/views/Setting/components/UserApiOnlineImportModal.vue
index 703f6d352f..48b49fc6f1 100644
--- a/src/renderer/views/Setting/components/UserApiOnlineImportModal.vue
+++ b/src/renderer/views/Setting/components/UserApiOnlineImportModal.vue
@@ -69,7 +69,7 @@ export default {
         this.disabled = false
         this.btnText = this.$t('user_api_import_online__input_confirm')
       }
-      if (script.length > 90000) {
+      if (script.length > 3_000_000) {
         void dialog(this.$t('user_api_import__failed', { message: 'Too large script' }))
         return
       }