diff --git a/.ci/integration_test.groovy b/.ci/integration_test.groovy
index c392a840204..fa99194a43a 100644
--- a/.ci/integration_test.groovy
+++ b/.ci/integration_test.groovy
@@ -33,6 +33,9 @@ catchError {
             timeout(time: 60, unit: 'MINUTES') {
                 container("golang") {
                     sh  """
+                        rm -rf ${curws}/tics/contrib
+                        rm -rf ${curws}/tics/.git
+                    
                         COMMIT_HASH=${params.ghprbActualCommit} PULL_ID=${params.ghprbPullId} TAR_PATH=${curws}/tics/tests/.build bash -e ${curws}/tics/release-centos7/build/fetch-ci-build.sh
                         """
                 }
diff --git a/contrib/tiflash-proxy b/contrib/tiflash-proxy
index fdae830d7c9..a3ee1bd47c9 160000
--- a/contrib/tiflash-proxy
+++ b/contrib/tiflash-proxy
@@ -1 +1 @@
-Subproject commit fdae830d7c930063a571688d99f373250e450e12
+Subproject commit a3ee1bd47c9620297aeecc927224a9113cd95ecb