diff --git a/springboot-backend/Dockerfile b/springboot-backend/Dockerfile
index 7cdaca8..9f57ae2 100644
--- a/springboot-backend/Dockerfile
+++ b/springboot-backend/Dockerfile
@@ -6,14 +6,15 @@ COPY src ./src
 RUN mvn clean package -DskipTests
 
 # 运行阶段
-FROM openjdk:21-jre-slim
+FROM eclipse-temurin:21-jre
 WORKDIR /app
 ENV JAVA_OPTS="-Xmx512m -Xms256m -Dfile.encoding=UTF-8 -Duser.timezone=Asia/Shanghai"
 ENV LANG=en_US.UTF-8
 ENV LANGUAGE=en_US:en
 ENV LC_ALL=en_US.UTF-8
 
-RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources \
+RUN sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list \
+    && sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list \
     && apt-get update \
     && apt-get install -y --no-install-recommends fontconfig fonts-dejavu \
     && apt-get clean \
diff --git a/vite-frontend/src/pages/tunnel.tsx b/vite-frontend/src/pages/tunnel.tsx
index 6b457d1..ae81eab 100644
--- a/vite-frontend/src/pages/tunnel.tsx
+++ b/vite-frontend/src/pages/tunnel.tsx
@@ -67,7 +67,7 @@ interface DiagnosisResult {
     nodeName: string;
     nodeId: string;
     targetIp: string;
-    targetPort: number;
+    targetPort?: number;
     message?: string;
     averageTime?: number;
     packetLoss?: number;
@@ -310,6 +310,7 @@ export default function TunnelPage() {
             nodeName: '-',
             nodeId: '-',
             targetIp: '-',
+            targetPort: 443,
             message: response.msg || '诊断过程中发生错误'
           }]
         });
@@ -327,6 +328,7 @@ export default function TunnelPage() {
           nodeName: '-',
           nodeId: '-',
           targetIp: '-',
+          targetPort: 443,
           message: '无法连接到服务器'
         }]
       });
@@ -975,13 +977,13 @@ export default function TunnelPage() {
                                     </div>
                                   </div>
                                   <div className="text-small text-default-500">
-                                    目标地址: <code className="font-mono">{result.targetIp}:{result.targetPort}</code>
+                                    目标地址: <code className="font-mono">{result.targetIp}{result.targetPort ? ':' + result.targetPort : ''}</code>
                                   </div>
                                 </div>
                               ) : (
                                 <div className="space-y-2">
                                   <div className="text-small text-default-500">
-                                    目标地址: <code className="font-mono">{result.targetIp}:{result.targetPort}</code>
+                                    目标地址: <code className="font-mono">{result.targetIp}{result.targetPort ? ':' + result.targetPort : ''}</code>
                                   </div>
                                   <Alert
                                     color="danger"
diff --git a/vite-frontend/src/pages/user.tsx b/vite-frontend/src/pages/user.tsx
index 8c71c9b..a00dae9 100644
--- a/vite-frontend/src/pages/user.tsx
+++ b/vite-frontend/src/pages/user.tsx
@@ -716,14 +716,16 @@ export default function UserPage() {
                   setUserForm(prev => ({ ...prev, flowResetTime: Number(value) }));
                 }}
               >
-                <SelectItem key="0" textValue="不重置">
-                  不重置
-                </SelectItem>
-                {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
-                  <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
-                    每月{day}号（0点重置）
+                <>
+                  <SelectItem key="0" textValue="不重置">
+                    不重置
                   </SelectItem>
-                ))}
+                  {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
+                    <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
+                      每月{day}号（0点重置）
+                    </SelectItem>
+                  ))}
+                </>
               </Select>
               <DatePicker
                 label="过期时间"
@@ -839,14 +841,16 @@ export default function UserPage() {
                         setTunnelForm(prev => ({ ...prev, flowResetTime: Number(value) }));
                       }}
                     >
-                      <SelectItem key="0" textValue="不重置">
-                        不重置
-                      </SelectItem>
-                      {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
-                        <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
-                          每月{day}号（0点重置）
+                      <>
+                        <SelectItem key="0" textValue="不重置">
+                          不重置
                         </SelectItem>
-                      ))}
+                        {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
+                          <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
+                            每月{day}号（0点重置）
+                          </SelectItem>
+                        ))}
+                      </>
                     </Select>
                     
                     <DatePicker
@@ -1018,14 +1022,16 @@ export default function UserPage() {
                     setEditTunnelForm(prev => prev ? { ...prev, flowResetTime: Number(value) } : null);
                   }}
                 >
-                  <SelectItem key="0" textValue="不重置">
-                    不重置
-                  </SelectItem>
-                  {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
-                    <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
-                      每月{day}号（0点重置）
+                  <>
+                    <SelectItem key="0" textValue="不重置">
+                      不重置
                     </SelectItem>
-                  ))}
+                    {Array.from({ length: 31 }, (_, i) => i + 1).map(day => (
+                      <SelectItem key={day.toString()} textValue={`每月${day}号（0点重置）`}>
+                        每月{day}号（0点重置）
+                      </SelectItem>
+                    ))}
+                  </>
                 </Select>
                 
                 <DatePicker