diff --git a/docs/README.md b/docs/README.md
index 07f4d69e..a435e3d9 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -72,6 +72,8 @@ We have launched an online demo for this module: [https://eshop.samples.easyabp.
         * The customer should have permission to complete the order himself.
         * You need to override the "CompleteAsync" method of the "OrderAppService" if you want to prohibit users from completing orders themselves for some specific product groups but complete them through automated processes.
 
+[![](https://mermaid.ink/img/pako:eNqtVMtOwzAQ_JWVL4BU-IAI9QI9cOJRuOXixltiKbaDvaaKEP_O2nFpKeElkVO8Xs_szqz9IhqnUFQi4FNE2-Cllo9emtoCfw8B_el8vli2rj-78U7FhkIFtxH9ANQi9GMMOh0IyEFAhE0rCXhvIy2FEecjwClDJuQK7pCit-ET1AT7tVfomfvCoyQEacGlSCJdxQGCM0itto_7hOOZHV1eQ5MR1Ax8Yc_hKzXVshwM2tTykqQnkNCPEVg7n6vORXxXrrOkbXQxdAM8veuWj52v_DzydrcLHQUonFcKWhmY8Vl2ET_IWIr6xLVgLBpGgdSC3HneLum8nk9oc4ixRNqrYKLLaWX3jRx92Whqd0jfanvhTN8hm5rHoAi8Gg5PH3T_zl0i0BQY9c92aHWvDf7djT3xtx0mV35pwqhiz-w86wr6uOKL0Y6zmmqaRvrZkK-6-UKu4owZdhod63W63joAPxSWm0p3cCs-tBzPqeHkF1dxq4uYCYPecHX8FL2kg7Xg0g3WouJfhWsZO6pFbV85NfaKR3yhNDkvqrXsAs6EjOSWg21ERT7iNqk8ZyXr9Q3cULc5)](https://mermaid-js.github.io/mermaid-live-editor/edit#pako:eNqtVMtOwzAQ_JWVL4BU-IAI9QI9cOJRuOXixltiKbaDvaaKEP_O2nFpKeElkVO8Xs_szqz9IhqnUFQi4FNE2-Cllo9emtoCfw8B_el8vli2rj-78U7FhkIFtxH9ANQi9GMMOh0IyEFAhE0rCXhvIy2FEecjwClDJuQK7pCit-ET1AT7tVfomfvCoyQEacGlSCJdxQGCM0itto_7hOOZHV1eQ5MR1Ax8Yc_hKzXVshwM2tTykqQnkNCPEVg7n6vORXxXrrOkbXQxdAM8veuWj52v_DzydrcLHQUonFcKWhmY8Vl2ET_IWIr6xLVgLBpGgdSC3HneLum8nk9oc4ixRNqrYKLLaWX3jRx92Whqd0jfanvhTN8hm5rHoAi8Gg5PH3T_zl0i0BQY9c92aHWvDf7djT3xtx0mV35pwqhiz-w86wr6uOKL0Y6zmmqaRvrZkK-6-UKu4owZdhod63W63joAPxSWm0p3cCs-tBzPqeHkF1dxq4uYCYPecHX8FL2kg7Xg0g3WouJfhWsZO6pFbV85NfaKR3yhNDkvqrXsAs6EjOSWg21ERT7iNqk8ZyXr9Q3cULc5)
+
 ## Advanced Usages
 
 We can customize some features to use EShop in complex application scenarios.