diff --git a/oauth.md b/oauth.md
index 3143690..08698bc 100644
--- a/oauth.md
+++ b/oauth.md
@@ -45,3 +45,14 @@ $ curl -sL "https://plc.directory/did:plc:6qyecktefllvenje24fcxnie" | jq '.alsoK
   "at://ai.syu.is"
 ]
 ```
+
+## didのhandleを確認
+
+```sh
+curl -sL "https://plc.directory/did:plc:6qyecktefllvenje24fcxnie/log"|jq .
+curl -sL "https://plc.syu.is/did:plc:6qyecktefllvenje24fcxnie/log"|jq .
+curl -sL "https://bsky.social/xrpc/com.atproto.identity.resolveHandle?handle=ai.syui.ai" | jq .
+curl -sL "https://syu.is/xrpc/com.atproto.identity.resolveHandle?handle=ai.syui.ai" | jq .
+curl -sL "https://public.api.bsky.app/xrpc/com.atproto.identity.resolveHandle?handle=ai.syui.ai" | jq .
+curl -sL "https://bsky.syu.is/xrpc/com.atproto.identity.resolveHandle?handle=ai.syui.ai" | jq .
+```
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