diff --git a/readme.md b/readme.md
index 40e9d50..07a0d57 100644
--- a/readme.md
+++ b/readme.md
@@ -79,7 +79,7 @@ GPU Miner for `ETH`, `RVN`,  `GRIN`, `BEAM`, `CFX`, `ERGO`, `AE`, `SERO`
 
 #### Grin32
 
-- **sparkpool**: nbminer -a cuckatoo32 -o stratum+tcp://grin.sparkpool.com:6665 -u 123@qq.com/worker
+- **goblinpool**: nbminer -a cuckatoo32 -o stratum+tcp://grin32.goblinpool.com:3344 -u username.worker:passwd
 - **f2pool:** nbminer -a cuckatoo32 -o stratum+tcp://grin32.f2pool.com:13654 -u username.worker:passwd
 - **herominers:** nbminer -a cuckatoo32 -o stratum+tcp://grin.herominers.com:10301 -u username.worker:passwd
 - **nicehash:** nbminer -a cuckatoo32 -o nicehash+tcp://grincuckatoo32.hk.nicehash.com:3383 -u btc_address.worker
diff --git a/readme_zh.md b/readme_zh.md
index 390bff3..e6b11ee 100644
--- a/readme_zh.md
+++ b/readme_zh.md
@@ -72,8 +72,9 @@ NVIDIA、AMD显卡的`ETH`, `RVN`,  `GRIN`, `BEAM`, `CFX`, `ERGO`, `AE`,  `SERO`
 
 #### Grin32
 
-- **sparkpool**: nbminer -a cuckatoo32 -o stratum+tcp://grin.sparkpool.com:6665 -u 123@qq.com/worker
-- **f2pool:** nbminer -a cuckatoo32 -o stratum+tcp://grin32.f2pool.com:13654 -u username.worker
+- **goblinpool**: nbminer -a cuckatoo32 -o stratum+tcp://grin32.goblinpool.com:3344 -u username.worker:passwd
+- **f2pool:** nbminer -a cuckatoo32 -o stratum+tcp://grin32.f2pool.com:13654 -u username.worker:passwd
+- **herominers:** nbminer -a cuckatoo32 -o stratum+tcp://grin.herominers.com:10301 -u username.worker:passwd
 - **nicehash:** nbminer -a cuckatoo32 -o nicehash+tcp://grincuckatoo32.hk.nicehash.com:3383 -u btc_address.worker
 
 #### AE