diff --git a/docs/samples/kubecon-2019-china/gang/mpi-example.yaml b/docs/samples/kubecon-2019-china/gang/mpi-example.yaml
index d5b94d9aa4..321d37b369 100644
--- a/docs/samples/kubecon-2019-china/gang/mpi-example.yaml
+++ b/docs/samples/kubecon-2019-china/gang/mpi-example.yaml
@@ -36,7 +36,7 @@ spec:
                   MPI_HOST=`cat /etc/volcano/mpiworker.host | tr "\n" ","`;
                   mkdir -p /var/run/sshd; /usr/sbin/sshd;
                   mpiexec --allow-run-as-root --host ${MPI_HOST} -np 3 mpi_hello_world;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-mpi:0.0.1
+              image: volcanosh/example-mpi:0.0.1
               name: mpimaster
               ports:
                 - containerPort: 22
@@ -60,7 +60,7 @@ spec:
                 - -c
                 - |
                   mkdir -p /var/run/sshd; /usr/sbin/sshd -D;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-mpi:0.0.1
+              image: volcanosh/example-mpi:0.0.1
               name: mpiworker
               ports:
                 - containerPort: 22
diff --git a/docs/samples/kubecon-2019-china/horovod-sample/lm-horovod-tf-mnist-v0.5.yaml b/docs/samples/kubecon-2019-china/horovod-sample/lm-horovod-tf-mnist-v0.5.yaml
index 09df4b8698..81b4a00c04 100644
--- a/docs/samples/kubecon-2019-china/horovod-sample/lm-horovod-tf-mnist-v0.5.yaml
+++ b/docs/samples/kubecon-2019-china/horovod-sample/lm-horovod-tf-mnist-v0.5.yaml
@@ -30,7 +30,7 @@ spec:
                   WORKER_HOST=`cat /etc/volcano/worker.host | tr "\n" ","`;
                   mkdir -p /var/run/sshd; /usr/sbin/sshd;
                   mpiexec --allow-run-as-root --host ${WORKER_HOST} -np 3 python tensorflow_mnist_lm.py;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/horovod-tf-mnist:0.5
+              image: volcanosh/horovod-tf-mnist:0.5
               name: master
               ports:
                 - containerPort: 22
@@ -55,7 +55,7 @@ spec:
                 - -c
                 - |
                   mkdir -p /var/run/sshd; /usr/sbin/sshd -D;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/horovod-tf-mnist:0.5
+              image: volcanosh/horovod-tf-mnist:0.5
               name: worker
               ports:
                 - containerPort: 22
diff --git a/docs/samples/kubecon-2019-china/mpi-sample/mpi-example.yaml b/docs/samples/kubecon-2019-china/mpi-sample/mpi-example.yaml
index de5cfc0826..5566f0aa76 100644
--- a/docs/samples/kubecon-2019-china/mpi-sample/mpi-example.yaml
+++ b/docs/samples/kubecon-2019-china/mpi-sample/mpi-example.yaml
@@ -36,7 +36,7 @@ spec:
                   MPI_HOST=`cat /etc/volcano/mpiworker.host | tr "\n" ","`;
                   mkdir -p /var/run/sshd; /usr/sbin/sshd;
                   mpiexec --allow-run-as-root --host ${MPI_HOST} -np 2 mpi_hello_world;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-mpi:0.0.1
+              image: volcanosh/example-mpi:0.0.1
               name: mpimaster
               ports:
                 - containerPort: 22
@@ -62,7 +62,7 @@ spec:
                 - -c
                 - |
                   mkdir -p /var/run/sshd; /usr/sbin/sshd -D;
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-mpi:0.0.1
+              image: volcanosh/example-mpi:0.0.1
               name: mpiworker
               ports:
                 - containerPort: 22
diff --git a/docs/samples/kubecon-2019-china/spark-sample/spark-pi.yaml b/docs/samples/kubecon-2019-china/spark-sample/spark-pi.yaml
index 19c66e49e3..36d2de7d8a 100644
--- a/docs/samples/kubecon-2019-china/spark-sample/spark-pi.yaml
+++ b/docs/samples/kubecon-2019-china/spark-sample/spark-pi.yaml
@@ -21,7 +21,7 @@ metadata:
 spec:
   type: Scala
   mode: cluster
-  image: "swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/spark:v2.4.0"
+  image: "volcanosh/spark:v2.4.0"
   imagePullPolicy: Always
   mainClass: org.apache.spark.examples.SparkPi
   mainApplicationFile: "local:///opt/spark/examples/jars/spark-examples_2.11-2.4.0.jar"
diff --git a/docs/samples/kubecon-2019-china/tf-sample/tf-example.yaml b/docs/samples/kubecon-2019-china/tf-sample/tf-example.yaml
index 5c792a7a13..d73a8350f1 100644
--- a/docs/samples/kubecon-2019-china/tf-sample/tf-example.yaml
+++ b/docs/samples/kubecon-2019-china/tf-sample/tf-example.yaml
@@ -60,7 +60,7 @@ spec:
                   PS_HOST=`cat /etc/volcano/ps.host | sed 's/$/&:2222/g' | tr "\n" ","`;
                   WORKER_HOST=`cat /etc/volcano/worker.host | sed 's/$/&:2222/g' | tr "\n" ","`;
                   python tf_cnn_benchmarks.py --batch_size=32 --model=resnet50 --variable_update=parameter_server --flush_stdout=true --num_gpus=1 --local_parameter_device=cpu --device=cpu --data_format=NHWC --job_name=ps --task_index=${VK_TASK_INDEX} --ps_hosts=${PS_HOST} --worker_hosts=${WORKER_HOST}
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-tf:0.0.1
+              image: volcanosh/example-tf:0.0.1
               name: tensorflow
               ports:
                 - containerPort: 2222
@@ -91,7 +91,7 @@ spec:
                   PS_HOST=`cat /etc/volcano/ps.host | sed 's/$/&:2222/g' | tr "\n" ","`;
                   WORKER_HOST=`cat /etc/volcano/worker.host | sed 's/$/&:2222/g' | tr "\n" ","`;
                   python tf_cnn_benchmarks.py --batch_size=32 --model=resnet50 --variable_update=parameter_server --flush_stdout=true --num_gpus=1 --local_parameter_device=cpu --device=cpu --data_format=NHWC --job_name=worker --task_index=${VK_TASK_INDEX} --ps_hosts=${PS_HOST} --worker_hosts=${WORKER_HOST}
-              image: swr.cn-north-1.myhuaweicloud.com/hwstaff_z00383385/example-tf:0.0.1
+              image: volcanosh/example-tf:0.0.1
               name: tensorflow
               ports:
                 - containerPort: 2222