diff --git a/ofed-driver/Readme.md b/ofed-driver/Readme.md
index f6b01c3..dca5c4e 100644
--- a/ofed-driver/Readme.md
+++ b/ofed-driver/Readme.md
@@ -7,6 +7,10 @@ the pod builds the OFED driver from the source and install some online package.
 
 ## release chart
 
+the chart version is composed of '{x of driverImage }-{y of driverImage }-{custom}'
+
+for example of `24.04.0`, `24.04` is the default OFED image verison
+
 tag the code and the CI will automatically release a chart
 
 ```shell
diff --git a/rdma-tools/chart/values.yaml b/rdma-tools/chart/values.yaml
index bc73016..c7ebf81 100644
--- a/rdma-tools/chart/values.yaml
+++ b/rdma-tools/chart/values.yaml
@@ -3,7 +3,7 @@ name: rdma-test
 image:
   registry: ghcr.io
   repository: spidernet-io/rdma-tools
-  tag: "12.5.1-2c4f5689f61cb66418a333bd1cf5a147ca6eeaa6"
+  tag: "12.5.1-3c17d019bd011728bb7e70a1cce263fa17c88fc5"
 
   pullPolicy: IfNotPresent
   imagePullSecrets: []