diff --git a/release/src/system/RTU/makefile b/release/src/system/RTU/makefile
index 0af6e1f..b37fcaf 100644
--- a/release/src/system/RTU/makefile
+++ b/release/src/system/RTU/makefile
@@ -10,36 +10,35 @@ INC_PATH := -I$(ROOT)/release/inc \
             -I$(ROOT)/src/public/libcmd/inc \
             -I$(ROOT)/src/public/libtask/inc \
             -I$(ROOT)/src/public/libmy_xxhash/inc \
+            -I$(ROOT)/src/public/libcJSON/inc \
             -I$(ROOT)/src/protocol/libmodbus/inc
 
 LIBS := -L$(ROOT)/release/$(BUILD_TYPE)/lib \
-        -lsystem -lmodbus_m -lmodbus -l60870 \
+        -lmodbus_m -lmodbus -l60870 \
         -ldatacenter -lxml -lcmd -ltask \
         -llog -lfunc -lmy_xxhash -lcJSON -lmd5 -lcomm \
         -lpthread -lstdc++
 
 O := $(ROOT)/release/$(BUILD_TYPE)/exe/RTU
 S := $(ROOT)/src/system/RTU/src
-B := $(CURDIR)/RTU/obj
-SRCS := $(wildcard $(S)/*.c)
-OBJS := $(patsubst $(S)/%.c, $(B)/%.o, $(SRCS))
-F := $(C_FLAGS) $(INC_PATH)
 
-.PHONY: all
-all: $(O)
-	@echo "[RTU] built -> $(O)"
+C_OBJ   := $(CURDIR)/RTU/obj/main.o
+CXX_OBJ := $(CURDIR)/RTU/obj/app_sys.o
 
-$(O): $(OBJS)
+.PHONY: all; all: $(O)
+
+$(O): $(C_OBJ) $(CXX_OBJ)
 	@mkdir -p $(dir $@)
 	$(CXX) $^ $(LIBS) -o $@
+	@echo "[RTU] built -> $(O)"
 
-$(B)/%.o: $(S)/%.c
+$(C_OBJ): $(S)/main.c
 	@mkdir -p $(dir $@)
-	$(CC) $(F) -c $< -o $@
+	$(CC) $(C_FLAGS) $(INC_PATH) -c $< -o $@
 
-.PHONY: clean
-clean:
-	rm -rf $(B) $(O)
+$(CXX_OBJ): $(S)/app_sys.cpp
+	@mkdir -p $(dir $@)
+	$(CXX) $(CXX_FLAGS) $(INC_PATH) -c $< -o $@
 
-.PHONY: rebuild
-rebuild: clean all
+.PHONY: clean; clean:
+	rm -rf $(CURDIR)/RTU/obj $(O)
diff --git a/release/src/system/makefile b/release/src/system/makefile
index 01462b6..17b7af9 100644
--- a/release/src/system/makefile
+++ b/release/src/system/makefile
@@ -1,36 +1,14 @@
 include ./../../linux.mk
 
-# 纠正 ROOT_DIR：release/src/system 只有三级深度，linux.mk 假设四级
-ORIG_ROOT := $(ROOT_DIR)
-ROOT := $(realpath $(CURDIR)/../../..)
-SYS_SRC := $(ROOT)/src/system
-PUB_SRC := $(ROOT)/src/public
-
-LIB := $(ROOT)/release/$(BUILD_TYPE)/lib/libsystem.a
-LIB_OBJ := $(CURDIR)/libsystem/obj/app_modules.o
-LIB_FLAGS := $(C_FLAGS) -I$(SYS_SRC)/inc -I$(PUB_SRC)/liblog/inc -I$(PUB_SRC)/libtask/inc -I$(ROOT)/release/inc
-
-$(LIB): $(LIB_OBJ)
-	@mkdir -p $(dir $@)
-	$(AR) rcs $@ $^
-	@echo "[libsystem] built"
-
-$(LIB_OBJ): $(SYS_SRC)/app_modules.c
-	@mkdir -p $(dir $@)
-	$(CC) $(LIB_FLAGS) -c $< -o $@
-
-.PHONY: clean-sys
-clean-sys:
-	rm -rf $(CURDIR)/libsystem/obj $(LIB)
-
+# app_sys.cpp 已合并到 RTU makefile 中，此处仅管理子模块
 SUBDIRS := ./libmodbus_m ./RTU
 
 .PHONY: all clean rebuild
 
-all: $(LIB)
+all:
 	@for d in $(SUBDIRS); do [ -f "$$d/makefile" ] && (cd "$$d" && $(MAKE) -f makefile all) || true; done
 
-clean: clean-sys
+clean:
 	@for d in $(SUBDIRS); do [ -f "$$d/makefile" ] && (cd "$$d" && $(MAKE) -f makefile clean) || true; done
 
 rebuild: clean all
diff --git a/src/system/RTU/src/main.c b/src/system/RTU/src/main.c
index e6af2e3..1659374 100644
--- a/src/system/RTU/src/main.c
+++ b/src/system/RTU/src/main.c
@@ -1,8 +1,8 @@
 /**
  * @file    main.c
  * @brief   RTU 主程序入口
- * @details 注册所有线程模块 → init1 → init2 → start → wait。
- *          每个模块在自己的独立线程中运行主循环。
+ * @details app_sys_init() 自动启动所有 X-Macro 注册的模块。
+ *          新增模块只需修改 src/system/inc/app_modules.h，无需改动本文件。
  */
 #include "mySystem.h"
 #include "myLog.h"
@@ -16,20 +16,6 @@
 #include <signal.h>
 #include <string.h>
 
-/* ================================================================
- * 外部模块声明（各模块在 system/ 子目录中实现，链接时解析）
- * ================================================================ */
-
-/* libmodbus_m — Modbus 主站管理 */
-extern int  app_modbus_m_init1(void *arg);
-extern int  app_modbus_m_init2(void *arg);
-extern void *app_modbus_m(void *arg);
-extern void app_modbus_m_register(void);
-
-/* ================================================================
- * 信号处理
- * ================================================================ */
-
 static volatile int g_running = 1;
 
 static void sig_handler(int sig)
@@ -39,15 +25,10 @@ static void sig_handler(int sig)
     LOG_I("signal received, shutting down...");
 }
 
-/* ================================================================
- * 内置命令
- * ================================================================ */
-
 static void cmd_version(int argc, char *argv[])
 {
     (void)argc;
     (void)argv;
-
     printf("RTU_ALL_AI v1.0\n");
     printf("  libmodbus v%d.%d.%d\n",
            libmodbus_version_major, libmodbus_version_minor,
@@ -58,17 +39,12 @@ static void cmd_uptime(int argc, char *argv[])
 {
     (void)argc;
     (void)argv;
-
     printf("RTU uptime: (running)\n");
 }
 
 CMD_REGISTER("version", cmd_version, "show firmware version");
 CMD_REGISTER("uptime",  cmd_uptime,  "show uptime");
 
-/* ================================================================
- * main
- * ================================================================ */
-
 int main(int argc, char *argv[])
 {
     (void)argc;
@@ -76,57 +52,33 @@ int main(int argc, char *argv[])
 
     printf("\n=== RTU_ALL_AI Starting ===\n\n");
 
-    /* 信号处理 */
     signal(SIGINT,  sig_handler);
     signal(SIGTERM, sig_handler);
+    signal(SIGPIPE, SIG_IGN);
 
-    /* 初始化日志 */
     log_init(NULL);
-
     LOG_I("RTU booting...");
 
-    /* 注册所有线程模块 */
-    app_modbus_m_register();
-
-    /* 阶段 1: 模块初始化（信号注册前） */
-    if (app_modules_init1() != 0)
-    {
-        LOG_E("app_modules_init1 failed, aborting");
-
-        return 1;
-    }
-
-    /* 数据中心初始化 */
     dc_init(NULL);
 
-    /* 阶段 2: 模块初始化（信号注册后） */
-    if (app_modules_init2() != 0)
+    if (app_sys_init() != 0)
     {
-        LOG_E("app_modules_init2 failed, aborting");
-
+        LOG_E("app_sys_init failed, aborting");
         return 1;
     }
 
-    /* 启动所有模块线程 */
-    app_modules_start();
+    LOG_I("RTU running");
 
-    LOG_I("RTU running, %d worker threads", 1);
-
-    /* 主循环: 处理命令输入 */
     while (g_running)
     {
         char *line = linenoise("RTU> ");
 
-        if (!line)
-        {
-            break; /* Ctrl+D */
-        }
+        if (!line) { break; }
 
         if (line[0] != '\0')
         {
             linenoiseHistoryAdd(line);
 
-            /* 解析为 argc/argv */
             char  *argv_buf[16];
             uint8_t argc = 0;
 
@@ -148,12 +100,7 @@ int main(int argc, char *argv[])
         linenoiseFree(line);
     }
 
-    /* 停止所有模块 */
-    LOG_I("stopping all modules...");
-    app_modules_stop();
-    app_modules_join();
-
-    /* 清理 */
+    LOG_I("shutting down...");
     dc_cleanup();
     log_cleanup();
 
diff --git a/src/system/libmodbus_m/src/modbus_m.cpp b/src/system/libmodbus_m/src/modbus_m.cpp
index 61bbcfa..ab56d0f 100644
--- a/src/system/libmodbus_m/src/modbus_m.cpp
+++ b/src/system/libmodbus_m/src/modbus_m.cpp
@@ -1018,18 +1018,4 @@ void *app_modbus_m(void *arg)
     return NULL;
 }
 
-// ==================== 模块注册 ====================
-
-static stru_app g_app_modbus_m;
-
-extern "C" void app_modbus_m_register(void)
-{
-    memset(&g_app_modbus_m, 0, sizeof(g_app_modbus_m));
-    g_app_modbus_m.name = MODULE_MODBUS_M;
-
-    app_module_register(MODULE_MODBUS_M,
-                        app_modbus_m_init1,
-                        app_modbus_m_init2,
-                        app_modbus_m,
-                        &g_app_modbus_m);
-}
+/* ==================== 模块注册（由 app_modules.h X-Macro 自动完成，无需手动 register） ==================== */