chore: Update Dockerfile and bt.sh for security and dependency management improvements

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7.17-alpine
+FROM python:3.7.16-alpine
 
 # 切换 alpine 镜像源为腾讯云源，更新包列表并安装依赖
 RUN apk update && apk upgrade \
@@ -26,7 +26,9 @@ RUN echo y | bash /install_panel.sh -P 8888 --ssl-disable \
 RUN echo btpanel | bt 6 \
     && echo btpaneldocker | bt 5 \
     && echo "/btpanel" > /www/server/panel/data/admin_path.pl \
-    && echo "root:btpaneldocker" | chpasswd
+    && echo "root:btpaneldocker" | chpasswd \
+    && echo "PermitRootLogin yes" | tee -a /etc/ssh/sshd_config
+
 
 ENTRYPOINT ["/bin/sh","-c","/bt.sh"]
 

bt.sh

@@ -33,7 +33,7 @@ soft_start(){
     pkill crond
     /sbin/crond
     
-    ssh-keygen -A
+    ssh-keygen
     chmod 600 /etc/ssh/ssh_host_*
     /usr/sbin/sshd -D &
 }