diff --git a/docker/Dockerfile b/docker/Dockerfile
index 127d21f5..c40c3413 100755
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -40,8 +40,8 @@ RUN apt-get update && apt-get install -y \
     libxext6 \
     libxrender-dev \
     libgomp1 \
-    dropbear \
-    && rm -rf /var/lib/apt/lists/*
+    openssh-server \
+    && rm -rf /var/lib/apt/lists/* || true
 
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
@@ -62,10 +62,9 @@ RUN pip install --no-cache-dir -r requirements-extra.txt
 # RUN curl -fsSL https://code-server.dev/install.sh | sh
 RUN echo "code-server skipped - install manually after container startup if needed"
 
-RUN useradd -m -u 1000 vnpy &&     echo "vnpy ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers &&     mkdir -p /home/vnpy/.ssh &&     mkdir -p /etc/dropbear &&     chown -R vnpy:vnpy /home/vnpy /app /etc/dropbear &&     chmod 700 /home/vnpy/.ssh
+RUN useradd -m -u 1000 vnpy &&     echo "vnpy ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers &&     mkdir -p /home/vnpy/.ssh &&     chown -R vnpy:vnpy /home/vnpy /app &&     chmod 700 /home/vnpy/.ssh
 
-# dropbear doesn't need sed configuration, we just set password
-RUN echo "vnpy:sanguo123" | chpasswd
+RUN sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config &&     sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin no/' /etc/ssh/sshd_config &&     echo "vnpy:sanguo123" | chpasswd
 
 USER vnpy
 
diff --git a/logs/auto-sync.log b/logs/auto-sync.log
index 937bc234..3a132a18 100644
--- a/logs/auto-sync.log
+++ b/logs/auto-sync.log
@@ -113,5 +113,6 @@
 
 
 
+