diff --git a/crypto-sagemath_9.6/Dockerfile b/crypto-sagemath_9.6/Dockerfile
index 268730f..5e2d2f6 100644
--- a/crypto-sagemath_9.6/Dockerfile
+++ b/crypto-sagemath_9.6/Dockerfile
@@ -25,10 +25,10 @@ RUN sage --python -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple \
 COPY ./src/main.sage /home/sage
 
 # 拷贝启动脚本至根目录
-COPY ./service/docker-entrypoint.sh /
+COPY ./service/docker-entrypoint.sh /home/sage/docker-entrypoint.sh
 
 # [可选]指定对外暴露端口，对于GZCTF等平台，强制EXPOSE可能会造成非预期端口泄露，请酌情启用
 # EXPOSE 9999
 
 # 指定容器入口点
-ENTRYPOINT ["/bin/bash","/docker-entrypoint.sh"]
\ No newline at end of file
+ENTRYPOINT ["/bin/bash","/home/sage/docker-entrypoint.sh"]
\ No newline at end of file
diff --git a/crypto-sagemath_9.6/service/docker-entrypoint.sh b/crypto-sagemath_9.6/service/docker-entrypoint.sh
index e19166e..143653e 100644
--- a/crypto-sagemath_9.6/service/docker-entrypoint.sh
+++ b/crypto-sagemath_9.6/service/docker-entrypoint.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# 删除启动脚本，以防非预期
+rm -f /home/sage/docker-entrypoint.sh
+
 # 通过socat转发SageMath会话
 # TCP4-LISTEN:9999 服务将会转发到9999端口
 # reuseaddr 启用端口复用，便于多用户同时连接同一个端口
diff --git a/crypto-sagemath_9.6/src/main.sage b/crypto-sagemath_9.6/src/main.sage
index 0928115..6d84753 100644
--- a/crypto-sagemath_9.6/src/main.sage
+++ b/crypto-sagemath_9.6/src/main.sage
@@ -8,7 +8,18 @@ Introduction = """
 
 flag = os.getenv('FLAG')
 
+BANNER = r'''
+       ____ _____ _____       _             _     _                
+      / ___|_   _|  ___|     / \   _ __ ___| |__ (_)_   _____  ___ 
+     | |     | | | |_ _____ / _ \ | '__/ __| '_ \| \ \ / / _ \/ __|
+     | |___  | | |  _|_____/ ___ \| | | (__| | | | |\ V /  __/\__ \
+      \____| |_| |_|      /_/   \_\_|  \___|_| |_|_| \_/ \___||___/
+                                                               
+
+'''
+
 if __name__ == "__main__":
+    print(BANNER)
     while True:
         ins = input("Please input 'ctf':")
         if ins == "ctf":