diff --git a/Haina/Weekly/2024/2024-W20.md b/Haina/Weekly/2024/2024-W20.md
index 0cfc74a..c4e5f9e 100644
--- a/Haina/Weekly/2024/2024-W20.md
+++ b/Haina/Weekly/2024/2024-W20.md
@@ -47,7 +47,7 @@ tags:
 1. 上线PayPal V2. 2024-05-09 09:18. [测试水灯节在线订单](https://secure.chinahighlights.com/pay/paymentservice/?b3JkZXJfaWQ9MTcxNTE1NTAwMzM3NDNfVCZzdWJqZWN0PUJvb2tpbmcgWWkgUGVuZyBGZXN0aXZhbCBUaWNrZXRzJmJvZHk9Qm9va2luZyBZaSBQZW5nIEZlc3RpdmFsIFRpY2tldHMmdG90YWxfYW1vdW50PTE3OS4wMCZjdXJyZW5jeT1VU0Qmcm1iX2Ftb3VudD0xMjkzJnNpZ249ZWUyMWYzMjA4YzhjMzlkNDdiYWU5MmMwYWIzZmI2NWEmbGc9ZW5fVVMmcmV0dXJuX3VybD1odHRwczovL3d3dy5hc2lhaGlnaGxpZ2h0cy5jb20vb3JkZXJzL3RoYW5reW91P2lucXVpcmU=)
 2. PayPal webhooks: 接收 V2 版本的数据; 处理手续费
 3. [ ] PayPal直接查询
-4. [ ] zhi'fu'bao
+4. [ ] 支付宝退款通知: duo
 
 #### 研发