diff --git a/packages/taro-webpack5-runner/src/plugins/MiniSplitChunksPlugin.ts b/packages/taro-webpack5-runner/src/plugins/MiniSplitChunksPlugin.ts
index 59d2c5e4a0b0..219ab67e727a 100644
--- a/packages/taro-webpack5-runner/src/plugins/MiniSplitChunksPlugin.ts
+++ b/packages/taro-webpack5-runner/src/plugins/MiniSplitChunksPlugin.ts
@@ -711,7 +711,7 @@ export default class MiniSplitChunksPlugin extends SplitChunksPlugin {
         name: cacheGroupName,
         test: module => {
           if (!module.resource) {
-            return module._identifier === depInfo.identifier
+            return !!module._identifier && module._identifier === depInfo.identifier
           }
           return module.resource === depInfo.resource
         },