diff --git a/storage/wechatpay/wechatpay.pem b/storage/wechatpay/wechatpay.pem
deleted file mode 100644
index 4cc57ee..0000000
--- a/storage/wechatpay/wechatpay.pem
+++ /dev/null
@@ -1,23 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----