diff --git a/library/src/social/google.rs b/library/src/social/google.rs
index eb80048..695a63e 100644
--- a/library/src/social/google.rs
+++ b/library/src/social/google.rs
@@ -169,7 +169,11 @@ impl GoogleSocial {
             .get(&kid)
             .ok_or_else(|| Box::new(ResErr::social("校验Token失败,未找到正确的公钥")))?;
 
-        tracing::info!("public key : {:?}", key);
+        tracing::debug!("public key : {:?}", key);
+        // TODO: 
+        // 如果是google game account，可能找不到正确的公钥，需要使用oauth2开发库来实现相应的校验
+        // oauth2开发库参考https://github.com/ramosbugs/oauth2-rs/blob/main/examples/google.rs
+        // google game account账户校验参考：https://github.com/heroiclabs/nakama/blob/master/social/social.go
 
         // 验证Token
         let mut validation: Validation = Validation::new(Algorithm::RS256);