diff --git a/.ci/build_packages/tests.sh b/.ci/build_packages/tests.sh
index 3b97c01b8..e7169b8d9 100755
--- a/.ci/build_packages/tests.sh
+++ b/.ci/build_packages/tests.sh
@@ -42,7 +42,11 @@ emqx_test(){
                 sed -i '/emqx_telemetry/d' "${PACKAGE_PATH}"/emqx/data/loaded_plugins
 
                 echo "running ${packagename} start"
-                "${PACKAGE_PATH}"/emqx/bin/emqx start || ( tail "${PACKAGE_PATH}"/emqx/log/emqx.log.1 && exit 1 )
+                if ! "${PACKAGE_PATH}"/emqx/bin/emqx start; then
+                    cat "${PACKAGE_PATH}"/emqx/log/erlang.log.1 || true
+                    cat "${PACKAGE_PATH}"/emqx/log/emqx.log.1 || true
+                    exit 1
+                fi
                 IDLE_TIME=0
                 while ! "${PACKAGE_PATH}"/emqx/bin/emqx_ctl status | grep -qE 'Node\s.*@.*\sis\sstarted'
                 do
@@ -120,7 +124,11 @@ running_test(){
            EMQX_MQTT__MAX_TOPIC_ALIAS=10
     sed -i '/emqx_telemetry/d' /var/lib/emqx/loaded_plugins
 
-    emqx start || ( tail /var/log/emqx/emqx.log.1 && exit 1 )
+    if ! emqx start; then
+        cat /var/log/emqx/erlang.log.1 || true
+        cat /var/log/emqx/emqx.log.1 || true
+        exit 1
+    fi
     IDLE_TIME=0
     while ! emqx_ctl status | grep -qE 'Node\s.*@.*\sis\sstarted'
     do
@@ -146,7 +154,11 @@ relup_test(){
             while read -r pkg; do
                 packagename=$(basename "${pkg}")
                 unzip "$packagename"
-                ./emqx/bin/emqx start || ( tail emqx/log/emqx.log.1 && exit 1 )
+                if ! ./emqx/bin/emqx start; then
+                    cat emqx/log/erlang.log.1 || true
+                    cat emqx/log/emqx.log.1 || true
+                    exit 1
+                fi
                 ./emqx/bin/emqx_ctl status
                 ./emqx/bin/emqx versions
                 cp "${PACKAGE_PATH}/${EMQX_NAME}"-*-"${TARGET_VERSION}-${ARCH}".zip ./emqx/releases