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SUMMARY.md

@@ -2,6 +2,7 @@
 
 - [设计](design/README.md)
   - [需求分析](design/requirements.md)
+  - [产品设计](design/product.md)
   - [系统架构](design/architecture.md)
 - [运维](operation/README.md)
   - [CI工作流](operation/workflow.md)