diff --git a/Docs/30_architecture/main.md b/Docs/30_architecture/main.md
index 36f4c0c..555b3c8 100644
--- a/Docs/30_architecture/main.md
+++ b/Docs/30_architecture/main.md
@@ -119,61 +119,62 @@ typedef struct {
 ### 4.1 系统层级依赖与调用图
 
 ```mermaid
-graph TD
-    %% 定义层级背景色与分组
+graph LR
+    %% --- 硬件抽象与时基层 (左侧) ---
+    subgraph LayerHW ["硬件抽象与时基层 (HW Layer)"]
+        Timer1["Timer 1 (1ms中断)"]
+        ADC["ADC (电量检测)"]
+        Flash["IAP (Flash读写)"]
+        GPIO["GPIO (引脚中断/控制)"]
+    end
+
+    %% --- 外设驱动层 (中间) ---
+    subgraph LayerDRV ["外设驱动层 (DRV Layer)"]
+        KEY["KEY (按键扫描/队列)"]
+        RF["RF (LR690L收发)"]
+        PM["PM (功耗电源管理)"]
+        AMOLED["AMOLED (屏幕绘制)"]
+        LED["LED (RGB彩灯时序)"]
+        MOTOR["MOTOR (马达异步震动)"]
+    end
+
+    %% --- 应用逻辑层 (右侧) ---
     subgraph LayerAPP ["应用逻辑层 (APP Layer)"]
         MainScheduler["主循环调度器 (main.c)"]
         SysStateMachine["SysState 业务状态机"]
-        SoftRTC["软件 RTC 计时器"]
+        SoftRTC["SoftRTC 软件时钟"]
     end
 
-    subgraph LayerDRV ["外设驱动层 (DRV Layer)"]
-        AMOLED["Truly RM69310 屏幕绘制"]
-        RF["LR690L RF 编解码及发射"]
-        KEY["按键检测与队列缓冲"]
-        PM["极低功耗电源管理"]
-        LED["WS2812B 双彩灯控制"]
-        MOTOR["振动马达异步时序"]
-    end
+    %% --- 连线关系：时基与底层输入驱动外设 ---
+    Timer1 ==>|1ms时基中断| KEY
+    Timer1 ==>|1ms中断分频| MOTOR
+    Timer1 ==>|中断异步控制| LED
+    Timer1 ==>|秒计数器累加| SoftRTC
+    
+    GPIO -.->|外部中断沿触发| RF
+    GPIO -.->|按键电平读取| KEY
 
-    subgraph LayerHW ["硬件抽象与时基层 (HW Layer)"]
-        Timer1["Timer 1 (1ms 中断时基)"]
-        ADC["ADC (12位电量采集)"]
-        Flash["IAP (内嵌 Flash 读写)"]
-        GPIO["GPIO (端口控制/中断唤醒)"]
-    end
+    %% --- 连线关系：外设动作驱动与底层交互 ---
+    PM -->|SHUT引脚开关SGM3833| GPIO
+    AMOLED -->|SPI接口像素写指令| GPIO
+    LED -->|P2.6输出彩灯数据| GPIO
+    MOTOR -->|P2.4输出马达电平| GPIO
 
-    %% --- 依赖与调用连线 ---
-    
-    %% 硬件时基驱动外设异步处理 (由 ISR 驱动，非阻塞)
-    Timer1 -->|1ms 中断调度| KEY
-    Timer1 -->|分频 10ms 驱动| MOTOR
-    Timer1 -->|中断分频闪烁| LED
-    Timer1 -->|秒级分频累加| SoftRTC
-    
-    %% 外设层对硬件抽象层的调用
-    AMOLED -->|SPI 端口操作| GPIO
-    RF -->|INT2 沿中断捕获| GPIO
-    KEY -->|引脚高阻上拉输入| GPIO
-    PM -->|SHUT 引脚控制 SGM3833| GPIO
-    LED -->|P2.6 SPI_MOSI 时序| GPIO
-    MOTOR -->|P2.4 PWM 电平输出| GPIO
-    
-    %% 应用层与外设层、硬件层的交互 (事件驱动 & 主循环轮询)
-    MainScheduler -->|1. 轮询读入按键事件| KEY
-    MainScheduler -->|2. 轮询捕获 RF 数据包| RF
-    MainScheduler -->|3. 喂看门狗| GPIO
-    
-    MainScheduler -->|分发事件与控制跳转| SysStateMachine
-    
-    SysStateMachine -->|重绘标志 Redraw=1 触发| AMOLED
-    SysStateMachine -->|读取/保存配对配置| Flash
-    SysStateMachine -->|启动特定防区闪烁/爆闪| LED
-    SysStateMachine -->|启动特定防区马达震动| MOTOR
-    SysStateMachine -->|休眠判定与硬件断电睡眠| PM
-    SysStateMachine -->|主动发射对码/SOS载波| RF
-    SysStateMachine -->|读取电量及充电状态| ADC
-    SysStateMachine -->|获取/更新待机时间| SoftRTC
+    %% --- 连线关系：主循环轮询输入 ---
+    KEY ==>|压入环形队列 / 主循环读出| MainScheduler
+    RF ==>|解码成功包 / 主循环获取| MainScheduler
+    MainScheduler ==>|喂看门狗| GPIO
+
+    %% --- 连线关系：状态机控制外设输出 ---
+    MainScheduler -->|分发事件| SysStateMachine
+    SysStateMachine -->|读取电量及状态| ADC
+    SysStateMachine -->|读写配对防区数据| Flash
+    SysStateMachine -->|休眠判定/深度睡眠控制| PM
+    SysStateMachine -->|Redraw=1 触发重绘| AMOLED
+    SysStateMachine -->|射频包发射| RF
+    SysStateMachine -->|指示灯闪烁指示| LED
+    SysStateMachine -->|马达震动反馈| MOTOR
+    SysStateMachine -->|获取与同步时间| SoftRTC
 ```
 
 ### 4.2 架构设计与依赖原则说明