Merge pull request #19 from 15168316096/main

update ckb 121

Author: 15168316096

docker/docker-compose.yml

@@ -31,7 +31,7 @@ services:
     container_name: kafka
 
   ckb:
-    image: nervos/ckb:v0.120.0-rc2
+    image: nervos/ckb:v0.121.0-rc1
     user: root
     ports:
       - 8114:8114   # rpc