diff --git a/backend/shell/deploy-front-by80.sh b/backend/shell/deploy-front-by80.sh
new file mode 100755
index 0000000..d2040c3
--- /dev/null
+++ b/backend/shell/deploy-front-by80.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+# 编译并部署 miao-front（用户端 API）到 by80 云服务器
+# 部署前在云服务器上备份原有 jar
+# 使用: ./shell/deploy-front-by80.sh（在 backend 目录下）
+# 或指定密钥: SSH_IDENTITY=~/.ssh/your_key ./shell/deploy-front-by80.sh
+
+set -e
+ENV_NAME="by80"
+SSH_IDENTITY="${SSH_IDENTITY:-$HOME/.ssh/id_ed25519_crmeb_deploy}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BACKEND_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+DEPLOY_CONF="$BACKEND_DIR/deploy.conf"
+
+# 解析 by80 段配置（deploy.conf 中 by80 段到 miao33 段之前的 KEY=value）
+get_conf() {
+  sed -n '1,/^miao33:/p' "$DEPLOY_CONF" | grep -E "^${1}=" | tail -1 | cut -d= -f2-
+}
+
+SERVER_HOST=$(get_conf SERVER_HOST)
+SERVER_USER=$(get_conf SERVER_USER)
+SERVER_PORT=$(get_conf SERVER_PORT)
+REMOTE_DIR_JAR=$(get_conf REMOTE_DIR_JAR)
+FRONT_JAR_NAME=$(get_conf FRONT_JAR_NAME)
+FRONT_LOCAL_PORT=$(get_conf FRONT_LOCAL_PORT)
+SPRING_PROFILE="miao80"
+
+[[ -z "$SERVER_HOST" ]] && SERVER_HOST=123.56.214.80
+[[ -z "$REMOTE_DIR_JAR" ]] && REMOTE_DIR_JAR=/www/wwwroot/crmeb
+[[ -z "$FRONT_JAR_NAME" ]] && FRONT_JAR_NAME=miao-front-2.2.jar
+[[ -z "$FRONT_LOCAL_PORT" ]] && FRONT_LOCAL_PORT=30031
+[[ -z "$SERVER_USER" ]] && SERVER_USER=root
+[[ -z "$SERVER_PORT" ]] && SERVER_PORT=22
+
+JAR_PATH="$BACKEND_DIR/crmeb-front/target/$FRONT_JAR_NAME"
+REMOTE_JAR="$REMOTE_DIR_JAR/$FRONT_JAR_NAME"
+[[ -f "$SSH_IDENTITY" ]] && SSH_OPTS=(-o "IdentityFile=$SSH_IDENTITY") || SSH_OPTS=()
+SSH_CMD=(ssh "${SSH_OPTS[@]}" -o StrictHostKeyChecking=accept-new -p "$SERVER_PORT" "$SERVER_USER@$SERVER_HOST")
+SCP_CMD=(scp "${SSH_OPTS[@]}" -o StrictHostKeyChecking=accept-new -P "$SERVER_PORT")
+
+BACKUP_SUFFIX="backup_$(date +%Y%m%d_%H%M%S)"
+
+echo "=== 部署 miao-front（用户端 API）到 $ENV_NAME 云服务器 ==="
+echo "  服务器: $SERVER_USER@$SERVER_HOST"
+echo "  目标目录: $REMOTE_DIR_JAR"
+echo "  Profile: $SPRING_PROFILE"
+echo ""
+
+echo "=== 1. 编译 crmeb-front（miao-front-2.2.jar）==="
+cd "$BACKEND_DIR"
+mvn clean package -pl crmeb-front -am -DskipTests -q
+echo "已生成: $JAR_PATH"
+[[ ! -f "$JAR_PATH" ]] && { echo "错误: jar 未生成"; exit 1; }
+
+echo ""
+echo "=== 2. 云服务器备份原有 jar ==="
+"${SSH_CMD[@]}" "bash -s" << REMOTE_BACKUP
+set -e
+mkdir -p "$REMOTE_DIR_JAR/backups"
+if [ -f "$REMOTE_JAR" ]; then
+  cp -a "$REMOTE_JAR" "$REMOTE_DIR_JAR/backups/${FRONT_JAR_NAME}.${BACKUP_SUFFIX}"
+  echo "已备份: $REMOTE_DIR_JAR/backups/${FRONT_JAR_NAME}.${BACKUP_SUFFIX}"
+else
+  echo "远程无原有 jar，跳过备份"
+fi
+REMOTE_BACKUP
+
+echo ""
+echo "=== 3. 上传 $FRONT_JAR_NAME 到 $REMOTE_DIR_JAR ==="
+"${SCP_CMD[@]}" "$JAR_PATH" "$SERVER_USER@$SERVER_HOST:$REMOTE_DIR_JAR/"
+echo "jar 上传完成."
+
+echo ""
+echo "=== 4. 远程重启 miao-front 服务 (profile=$SPRING_PROFILE, port=$FRONT_LOCAL_PORT) ==="
+"${SSH_CMD[@]}" "cd $REMOTE_DIR_JAR && \
+  (pkill -f $FRONT_JAR_NAME || true) && \
+  sleep 2 && \
+  nohup java -Xms128m -Xmx256m -jar $FRONT_JAR_NAME --spring.profiles.active=$SPRING_PROFILE --server.port=$FRONT_LOCAL_PORT > front.log 2>&1 & \
+  sleep 3 && \
+  (pgrep -f $FRONT_JAR_NAME && echo 'miao-front 已启动' || (echo '启动可能失败，请检查 front.log'; tail -20 front.log))"
+
+echo ""
+echo "=== miao-front 部署完成 ==="