diff --git a/.changeset/wise-donuts-remain.md b/.changeset/wise-donuts-remain.md
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+---
+'@modern-js/builder-webpack-provider': patch
+---
+
+fix(builder): deep-merge lose array items under tools.tschecker
+
+fix(builder): 修复 deep-merge 在 tools.tschecker 中会丢失数组子元素的问题