diff --git a/support-files/kubernetes/images/backend/backend.Dockerfile b/support-files/kubernetes/images/backend/backend.Dockerfile
index 3cff0b0f5d..cb1899e390 100644
--- a/support-files/kubernetes/images/backend/backend.Dockerfile
+++ b/support-files/kubernetes/images/backend/backend.Dockerfile
@@ -7,12 +7,9 @@ ENV BK_JOB_HOME=/data/job/exec
 COPY ./ /data/job/exec/
 RUN ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     echo 'Asia/Shanghai' > /etc/timezone && \
-    chmod +x /data/job/exec/startup.sh
+    chmod +x /data/job/exec/startup.sh \
+    chmod +x /data/job/exec/tini
 
-# Add Tini
-ENV TINI_VERSION v0.19.0
-ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /data/job/exec/tini
-RUN chmod +x /data/job/exec/tini
 
 ENV LANG en_US.utf8
 ENV LANGUAGE en_US.utf8
diff --git a/support-files/kubernetes/images/backend/tini b/support-files/kubernetes/images/backend/tini
new file mode 100755
index 0000000000..86cb766c6b
Binary files /dev/null and b/support-files/kubernetes/images/backend/tini differ