diff --git a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-apache-dubbo/k8s/script/e2e-apache-dubbo-sync.sh b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-apache-dubbo/k8s/script/e2e-apache-dubbo-sync.sh
index ddf29d5e6050..0b03025f9bdc 100644
--- a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-apache-dubbo/k8s/script/e2e-apache-dubbo-sync.sh
+++ b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-apache-dubbo/k8s/script/e2e-apache-dubbo-sync.sh
@@ -46,6 +46,7 @@ for sync in ${SYNC_ARRAY[@]}; do
   fi
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-admin-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31095/actuator/health
+  sleep 10s
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-bootstrap-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31195/actuator/health
   kubectl apply -f "${PRGDIR}"/shenyu-examples-dubbo.yml
diff --git a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-grpc/k8s/script/e2e-grpc-sync.sh b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-grpc/k8s/script/e2e-grpc-sync.sh
index 98be3c133e91..b087d8ef7017 100644
--- a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-grpc/k8s/script/e2e-grpc-sync.sh
+++ b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-grpc/k8s/script/e2e-grpc-sync.sh
@@ -45,6 +45,7 @@ for sync in ${SYNC_ARRAY[@]}; do
   fi
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-admin-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31095/actuator/health
+  sleep 10s
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-bootstrap-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31195/actuator/health
   kubectl apply -f "${PRGDIR}"/shenyu-examples-grpc.yml
diff --git a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-sofa/k8s/script/e2e-sofa-sync.sh b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-sofa/k8s/script/e2e-sofa-sync.sh
index b93902a2cec8..9e7222154092 100644
--- a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-sofa/k8s/script/e2e-sofa-sync.sh
+++ b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-sofa/k8s/script/e2e-sofa-sync.sh
@@ -46,6 +46,7 @@ for sync in ${SYNC_ARRAY[@]}; do
   fi
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-admin-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31095/actuator/health
+  sleep 10s
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-bootstrap-"${sync}".yml
   sh "$SHENYU_TESTCASE_DIR"/k8s/script/healthcheck.sh http://localhost:31195/actuator/health
   kubectl apply -f "${PRGDIR}"/shenyu-examples-sofa.yml
diff --git a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-spring-cloud/k8s/script/e2e-springcloud-sync.sh b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-spring-cloud/k8s/script/e2e-springcloud-sync.sh
index ad21845e8b9a..6f84a5e105b2 100644
--- a/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-spring-cloud/k8s/script/e2e-springcloud-sync.sh
+++ b/shenyu-e2e/shenyu-e2e-case/shenyu-e2e-case-spring-cloud/k8s/script/e2e-springcloud-sync.sh
@@ -47,6 +47,7 @@ for sync in ${SYNC_ARRAY[@]}; do
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-admin-"${sync}".yml
   sh "${CUR_PATH}"/healthcheck.sh http://localhost:31095/actuator/health
   sh "${CUR_PATH}"/healthcheck.sh http://localhost:30761/actuator/health
+  sleep 10s
   kubectl apply -f "${SHENYU_TESTCASE_DIR}"/k8s/sync/shenyu-bootstrap-"${sync}".yml
   sh "${CUR_PATH}"/healthcheck.sh http://localhost:31195/actuator/health
   kubectl apply -f "${PRGDIR}"/shenyu-examples-springcloud.yml
diff --git a/shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/HttpSyncDataService.java b/shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/HttpSyncDataService.java
index 114ef268a86c..57b0d8fb263c 100644
--- a/shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/HttpSyncDataService.java
+++ b/shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/HttpSyncDataService.java
@@ -129,7 +129,7 @@ private void fetchGroupConfig(final ConfigGroupEnum... groups) throws ShenyuExce
         }
     }
 
-    private synchronized void doFetchGroupConfig(final String server, final ConfigGroupEnum... groups) {
+    private void doFetchGroupConfig(final String server, final ConfigGroupEnum... groups) {
         StringBuilder params = new StringBuilder();
         for (ConfigGroupEnum groupKey : groups) {
             params.append("groupKeys").append("=").append(groupKey.name()).append("&");