diff --git a/main.sh b/main.sh
new file mode 100644
index 0000000..b57ce68
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,148 @@
+#!/bin/bash
+
+# ==========================================
+# 主控制脚本 (Main Runner)
+# 功能：依赖管理、配置生成、任务调度、日志整合
+# ==========================================
+
+# --- 1. 路径定义 ---
+BASE_DIR=$(cd $(dirname $0); pwd)
+SRC_DIR="$BASE_DIR/src"
+CONFIG_FILE="$BASE_DIR/config.toml"
+LOG_FILE="$BASE_DIR/service.log"
+
+# 日志
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
+}
+
+trap "log '服务停止'; exit" SIGTERM SIGINT
+
+# 依赖检查和安装
+check_and_install_dependencies() {
+    local dependencies=("curl" "jq" "bc")
+    local missing_packages=()
+
+    for pkg in "${dependencies[@]}"; do
+        if ! command -v "$pkg" &> /dev/null; then
+            missing_packages+=("$pkg")
+        fi
+    done
+
+    if [ ${#missing_packages[@]} -eq 0 ]; then
+        log "环境检查通过: 依赖已就绪。"
+        return 0
+    fi
+
+    log "检测到缺失依赖: ${missing_packages[*]}，尝试自动安装..."
+
+    local install_cmd=""
+    if command -v apt-get &> /dev/null; then install_cmd="apt-get update && apt-get install -y";
+    elif command -v yum &> /dev/null; then install_cmd="yum install -y";
+    elif command -v dnf &> /dev/null; then install_cmd="dnf install -y";
+    elif command -v apk &> /dev/null; then install_cmd="apk add --no-cache";
+    else log "无法自动安装，请手动安装: ${missing_packages[*]}"; exit 1; fi
+
+    if [ "$EUID" -ne 0 ] && command -v sudo &> /dev/null; then
+        install_cmd="sudo $install_cmd"
+    fi
+
+    # 这里也将安装日志通过管道传递给 log 函数，保持日志格式统一
+    eval "$install_cmd ${missing_packages[*]}" 2>&1 | while IFS= read -r line; do
+        log "[依赖安装] $line"
+    done
+
+    # 二次检查
+    for pkg in "${missing_packages[@]}"; do
+        if ! command -v "$pkg" &> /dev/null; then
+            log "依赖 $pkg 安装失败，请检查网络或源。"
+            exit 1
+        fi
+    done
+    log "依赖安装完成。"
+}
+
+# --- 4. 配置文件生成与检查 ---
+check_and_create_config() {
+    if [ ! -f "$CONFIG_FILE" ]; then
+        log "配置文件不存在，正在生成默认配置..."
+        cat > "$CONFIG_FILE" << EOF
+# ==========================================
+# OUCShell配置文件
+# ==========================================
+
+[Global]
+# 接收通知的邮箱
+TargetEmail = "your_email@example.com"
+
+[SMTP]
+# 发件人邮箱服务器配置
+Host = "smtp.qq.com"
+Port = "465"
+User = "your_smtp_email@qq.com"
+Password = "your_smtp_auth_code"
+
+# --- 功能模块: 电费提醒 ---
+[Electricity]
+Enabled = true
+Campus = "xha"
+# xha = 西海岸
+
+[Electricity.xha]
+StudentID = "20230000"
+Token = "YOUR_TOKEN_HERE"
+# [照明警戒值, 空调警戒值]
+RemindTime = [30.0, 30.0]
+EOF
+        log "配置文件已生成: $CONFIG_FILE"
+        log "检测到第一次加载此脚本，将自动结束本脚本，请前往编辑配置文件"
+        exit 0
+    else
+        log "加载配置文件: $CONFIG_FILE"
+    fi
+}
+
+# 主函数
+
+log "服务启动..."
+
+check_and_install_dependencies
+check_and_create_config
+
+# 任务间隔 (秒)
+INTERVAL_ELEC=1800  # 半小时
+LAST_RUN_ELEC=0
+
+log "进入循环调度模式..."
+
+while true; do
+    CURRENT_TIME=$(date +%s)
+
+    # 电费监控
+    # 计算时间差
+    TIME_DIFF=$((CURRENT_TIME - LAST_RUN_ELEC))
+
+    if [ $TIME_DIFF -ge $INTERVAL_ELEC ]; then
+        SCRIPT_PATH="$SRC_DIR/elec_monitor.sh"
+
+        if [ -f "$SCRIPT_PATH" ]; then
+            chmod +x "$SCRIPT_PATH"
+            log "调度任务: 电费监控..."
+
+            /bin/bash "$SCRIPT_PATH" "$CONFIG_FILE" 2>&1 | while IFS= read -r line; do
+                log "[elec_monitor] $line"
+            done
+
+            log "任务结束: 电费监控"
+        else
+            log "警告: 找不到脚本 $SCRIPT_PATH"
+        fi
+
+        LAST_RUN_ELEC=$(date +%s)
+    fi
+
+    # 其他任务(预留)
+    # TODO
+
+    sleep 60
+done
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diff --git a/src/Elec_monitor.sh b/src/Elec_monitor.sh
new file mode 100644
index 0000000..ce4c73a
--- /dev/null
+++ b/src/Elec_monitor.sh
@@ -0,0 +1,157 @@
+#!/bin/bash
+
+# ==========================================
+# 电费提醒功能脚本
+# ==========================================
+
+CONFIG_PATH="$1"
+
+# 检查参数
+if [ -z "$CONFIG_PATH" ]; then
+    echo "错误: 未传入配置文件路径。"
+    exit 1
+fi
+
+if [ ! -f "$CONFIG_PATH" ]; then
+    echo "错误: 配置文件不存在 ($CONFIG_PATH)"
+    exit 1
+fi
+
+# 配置读取
+get_val() {
+    local section=$1
+    local key=$2
+    local safe_section=$(echo "$section" | sed 's/\./\\./g')
+
+    sed -n "/^\[$safe_section\]/,/^\[/p" "$CONFIG_PATH" \
+    | grep "^$key" \
+    | head -n 1 \
+    | awk -F'=' '{print $2}' \
+    | tr -d ' "' \
+    | sed 's/#.*//' \
+    | tr -d '\r'
+}
+
+# 邮件发送函数
+send_email() {
+    local subject=$1
+    local content=$2
+
+    local smtp_host=$(get_val "SMTP" "Host")
+    local smtp_port=$(get_val "SMTP" "Port")
+    local smtp_user=$(get_val "SMTP" "User")
+    local smtp_pass=$(get_val "SMTP" "Password")
+    local target_email=$(get_val "Global" "TargetEmail")
+
+    if [ -z "$smtp_user" ] || [ -z "$target_email" ]; then
+        echo "错误: 邮箱配置不完整，跳过发送。"
+        return
+    fi
+
+    echo "正在发送邮件到 $target_email ..."
+
+    local curl_url="smtp://$smtp_host:$smtp_port"
+    if [ "$smtp_port" == "465" ]; then
+        curl_url="smtps://$smtp_host:$smtp_port"
+    fi
+
+    local mail_data="From: \"电费助手\" <$smtp_user>
+To: <$target_email>
+Subject: $subject
+MIME-Version: 1.0
+Content-Type: text/html; charset=utf-8
+
+$content"
+
+    echo "$mail_data" | curl --silent --ssl-reqd \
+        --url "$curl_url" \
+        --user "$smtp_user:$smtp_pass" \
+        --mail-from "$smtp_user" \
+        --mail-rcpt "$target_email" \
+        --upload-file -
+}
+
+# --- 业务逻辑: 西海岸校区 ---
+check_xha() {
+    local sno=$(get_val "Electricity.xha" "StudentID")
+    local token=$(get_val "Electricity.xha" "Token")
+
+    local thresholds_raw=$(get_val "Electricity.xha" "RemindTime" | tr -d '[]' | tr ',' ' ')
+
+    local light_limit=$(echo $thresholds_raw | awk '{print $1}')
+    local ac_limit=$(echo $thresholds_raw | awk '{print $2}')
+
+    # 如果解析失败默认设为0
+    light_limit=${light_limit:-0}
+    ac_limit=${ac_limit:-0}
+
+    if [ -z "$sno" ] || [ -z "$token" ]; then
+        echo "错误: 学号或Token未配置，请修改 config.toml"
+        return
+    fi
+
+    echo "查询西海岸校区... (学号: $sno)"
+
+    local response=$(curl -s -X POST "http://10.128.13.25/hydxcas/getCadByNo" \
+        -H "Token: $token" \
+        -H "Content-Type: application/json" \
+        -d "{\"sno\": \"$sno\"}")
+
+    local errcode=$(echo "$response" | jq -r '.errcode')
+
+    if [ "$errcode" != "0" ]; then
+        echo "API 请求失败: $(echo "$response" | jq -r '.errmsg')"
+        return
+    fi
+
+    # 解析数据
+    local light_val=$(echo "$response" | jq -r '.value | fromjson | .eqptData[] | select(.categoryEnergyName == "照明与插座") | .buyElec')
+    local ac_val=$(echo "$response" | jq -r '.value | fromjson | .eqptData[] | select(.categoryEnergyName == "空调末端") | .buyElec')
+
+    light_val=${light_val:-0}
+    ac_val=${ac_val:-0}
+
+    echo "当前电量 -> 照明: $light_val, 空调: $ac_val"
+    echo "警戒阈值 -> 照明: $light_limit, 空调: $ac_limit"
+
+    local need_alert=0
+    local msg="<h3>电费余额不足提醒</h3><ul>"
+
+    # 使用 bc 进行比较，增加 2>/dev/null 屏蔽非数字报错
+    if (( $(echo "$light_val < $light_limit" | bc -l 2>/dev/null) )); then
+        need_alert=1
+        msg="${msg}<li><strong>照明:</strong> ${light_val} 度 (低于 ${light_limit})</li>"
+    fi
+
+    if (( $(echo "$ac_val < $ac_limit" | bc -l 2>/dev/null) )); then
+        need_alert=1
+        msg="${msg}<li><strong>空调:</strong> ${ac_val} 度 (低于 ${ac_limit})</li>"
+    fi
+
+    msg="${msg}</ul><p>请及时充值！</p>"
+
+    if [ $need_alert -eq 1 ]; then
+        send_email "【紧急】宿舍电费余额不足" "$msg"
+    else
+        echo "电量充足，无需提醒。"
+    fi
+}
+
+# 主函数部分
+
+ENABLED=$(get_val "Electricity" "Enabled")
+if [ "$ENABLED" != "true" ]; then
+    echo "电费监控模块未启用。"
+    exit 0
+fi
+
+CAMPUS=$(get_val "Electricity" "Campus")
+
+case "$CAMPUS" in
+    "xha")
+        check_xha
+        ;;
+    *)
+        echo "未知的校区配置: $CAMPUS"
+        ;;
+esac
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