diff --git a/release/build.sh b/release/build.sh
index a0f5808..ee5b135 100755
--- a/release/build.sh
+++ b/release/build.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 cd "$(dirname "$0")"
+
+# 配置 core dump 输出到项目根目录 (需要 sudo)
+echo "$(dirname "$(readlink -f "$0")")/../core.%e.%p.%t" | sudo tee /proc/sys/kernel/core_pattern 2>/dev/null || true
+ulimit -c unlimited
+
 echo "=== RTU_ALL_AI Build ==="
 
 # 删除 config 同级目录下的旧 RTU (即项目根目录)
diff --git a/src/system/RTU/src/main.c b/src/system/RTU/src/main.c
index ec6270a..b57bb38 100644
--- a/src/system/RTU/src/main.c
+++ b/src/system/RTU/src/main.c
@@ -20,6 +20,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <signal.h>
+#include <sys/resource.h>
+#include <sys/prctl.h>
 
 static volatile int g_running = 1;
 
@@ -39,6 +41,16 @@ int main(int argc, char *argv[])
     signal(SIGINT,  sig_handler);
     signal(SIGTERM, sig_handler);
     signal(SIGPIPE, SIG_IGN);
+    signal(SIGSEGV, sig_handler);  /* 确保 SIGSEGV 也走正常退出流程 */
+
+    /* 启用 core dump（便于定位崩溃） */
+    {
+        struct rlimit rl;
+        rl.rlim_cur = RLIM_INFINITY;
+        rl.rlim_max = RLIM_INFINITY;
+        setrlimit(RLIMIT_CORE, &rl);
+        prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+    }
 
     /* 日志初始化：控制台输出（调试可见），运行时可开文件输出 */
     log_init(NULL);
diff --git a/src/system/libself_ptl/src/self_ptl.cpp b/src/system/libself_ptl/src/self_ptl.cpp
index fc6e556..bbc7949 100644
--- a/src/system/libself_ptl/src/self_ptl.cpp
+++ b/src/system/libself_ptl/src/self_ptl.cpp
@@ -111,6 +111,14 @@ static stru_self_ptl g_self_ptl =
 
 static stru_self_ptl_cfg_data g_self_ptl_cfg_data = {};
 
+/* ---- 信号值持久存储 (避免栈变量被回收) ---- */
+static std::vector<uint8_t> g_st_vals;
+static std::vector<float>   g_mx_vals;
+static std::vector<uint8_t> g_co_vals;
+static std::vector<float>   g_dd_vals;
+static std::vector<float>   g_ao_vals;
+static std::vector<void *>  g_param_val_ptrs;
+
 /* ---- 前向声明内部回调 (C++ linkage) ---- */
 /* ao_pop_out 等回调在 self_ptl_cb.cpp 中实现 */
 
@@ -435,56 +443,62 @@ static int self_ptl_do_signal_out(void)
 		return -1;
 	}
 
-	/* 注册遥信信号 (ST) */
-	for(auto &cfg : p_cfg->st_vec)
-	{
-		uint8_t val = 0;
+	/* 预分配持久存储 (避免栈变量被回收) */
+	g_st_vals.resize(p_cfg->st_vec.size(), 0);
+	g_mx_vals.resize(p_cfg->mx_vec.size(), 0.0f);
+	g_co_vals.resize(p_cfg->co_vec.size(), 0);
+	g_dd_vals.resize(p_cfg->dd_vec.size(), 0.0f);
+	g_ao_vals.resize(p_cfg->ao_vec.size(), 0.0f);
 
-		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_U8, &val, MODULE_SELF_PTL);
+	/* 注册遥信信号 (ST) */
+	for(size_t i = 0; i < p_cfg->st_vec.size(); i++)
+	{
+		auto &cfg = p_cfg->st_vec[i];
+		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_U8, &g_st_vals[i], MODULE_SELF_PTL);
 	}
 
 	/* 注册遥测信号 (MX) */
-	for(auto &cfg : p_cfg->mx_vec)
+	for(size_t i = 0; i < p_cfg->mx_vec.size(); i++)
 	{
-		float val = 0.0f;
-
-		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_F32, &val, MODULE_SELF_PTL);
+		auto &cfg = p_cfg->mx_vec[i];
+		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_F32, &g_mx_vals[i], MODULE_SELF_PTL);
 	}
 
 	/* 注册遥控信号 (CO) */
-	for(auto &cfg : p_cfg->co_vec)
+	for(size_t i = 0; i < p_cfg->co_vec.size(); i++)
 	{
-		uint8_t val = 0;
-
+		auto &cfg = p_cfg->co_vec[i];
 		dc_signal_yk(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_U8,
-			DC_CTRL_SBO, &val, NULL, MODULE_SELF_PTL);
+			DC_CTRL_SBO, &g_co_vals[i], NULL, MODULE_SELF_PTL);
 	}
 
 	/* 注册电度信号 (DD) */
-	for(auto &cfg : p_cfg->dd_vec)
+	for(size_t i = 0; i < p_cfg->dd_vec.size(); i++)
 	{
-		float val = 0.0f;
-
-		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_F32, &val, MODULE_SELF_PTL);
+		auto &cfg = p_cfg->dd_vec[i];
+		dc_signal_out(cfg.saddr.c_str(), cfg.desc.c_str(), DATA_TYPE_F32, &g_dd_vals[i], MODULE_SELF_PTL);
 	}
 
 	/* 注册参数信号 (AO) */
-	for(auto &cfg : p_cfg->ao_vec)
+	for(size_t i = 0; i < p_cfg->ao_vec.size(); i++)
 	{
-		float val = 0.0f;
-
+		auto &cfg = p_cfg->ao_vec[i];
 		dc_signal_ao(cfg.base.saddr.c_str(), cfg.base.desc.c_str(), cfg.type,
-			DC_CTRL_SBO, &val, NULL, MODULE_SELF_PTL);
+			DC_CTRL_SBO, &g_ao_vals[i], NULL, MODULE_SELF_PTL);
 	}
 
 	/* 注册定值信号 (Param) */
+	g_param_val_ptrs.clear();
 	for(auto &cfg : p_cfg->param_vec)
 	{
-		float val = 0.0f;
-			void *p_data_arr[1] = {&val};
-
-		dc_signal_param(cfg.base.saddr.c_str(), cfg.base.desc.c_str(), cfg.type,
-			DC_CTRL_SBO, p_data_arr, 1, NULL, MODULE_SELF_PTL);
+		void *p = dc_create_data(cfg.type);
+		if(p)
+		{
+			g_param_val_ptrs.push_back(p);
+			void *arr[1] = {p};
+			dc_signal_param(cfg.base.saddr.c_str(), cfg.base.desc.c_str(), cfg.type,
+				DC_CTRL_SBO, arr, 1, NULL, MODULE_SELF_PTL);
+		}
 	}
 
 	LOG_I("self_ptl_do_signal_out: ST=%d, MX=%d, CO=%d, DD=%d, AO=%d, Param=%d",