diff --git a/ubuntu1604.dockerfile b/ubuntu1604.dockerfile
index dc89255..baee979 100644
--- a/ubuntu1604.dockerfile
+++ b/ubuntu1604.dockerfile
@@ -23,7 +23,7 @@ RUN mkdir /var/run/sshd \
     && sed -i 's/#Port 22/Port 1022/' /etc/ssh/sshd_config  \
     && sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config  \
     && mkdir -p /root/.ssh \
-    && wget https://frp-by1.wwvvww.cn:44048/s/id_rsa_amass_publickey/download -O /root/.ssh/authorized_keys \
+    && wget https://frp-by1.wwvvww.cn:44048/s/id_ed25519/download -O /root/.ssh/authorized_keys \
     && chmod 600 /root/.ssh/authorized_keys && chown root:root /root/.ssh/authorized_keys
 
 
diff --git a/ubuntu2204.dockerfile b/ubuntu2204.dockerfile
index e2f933d..826a769 100644
--- a/ubuntu2204.dockerfile
+++ b/ubuntu2204.dockerfile
@@ -25,7 +25,7 @@ RUN mkdir /var/run/sshd \
     && sed -i 's/#Port 22/Port 1022/' /etc/ssh/sshd_config  \
     && sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config  \
     && mkdir -p /root/.ssh \
-    && wget https://frp-by1.wwvvww.cn:44048/s/id_rsa_amass_publickey/download -O /root/.ssh/authorized_keys \
+    && wget https://frp-by1.wwvvww.cn:44048/s/id_ed25519/download -O /root/.ssh/authorized_keys \
     && chmod 600 /root/.ssh/authorized_keys && chown root:root /root/.ssh/authorized_keys
 
 
diff --git a/ubuntu2404.dockerfile b/ubuntu2404.dockerfile
index a086ef0..0c7a2cd 100644
--- a/ubuntu2404.dockerfile
+++ b/ubuntu2404.dockerfile
@@ -38,7 +38,7 @@ RUN mkdir /var/run/sshd \
     && sed -i 's/#Port 22/Port 1022/' /etc/ssh/sshd_config  \
     && sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config  \
     && mkdir -p /root/.ssh \
-    && wget https://frp-by1.wwvvww.cn:44048/s/id_rsa_amass_publickey/download -O /root/.ssh/authorized_keys \
+    && wget https://frp-by1.wwvvww.cn:44048/s/id_ed25519/download -O /root/.ssh/authorized_keys \
     && chmod 600 /root/.ssh/authorized_keys && chown root:root /root/.ssh/authorized_keys
 
 EXPOSE 1022