diff --git a/include/util/tlog.h b/include/util/tlog.h
index b6a389b6d96c091d60816a910d6c084ede3d537a..e6ef7f388ff7af4bab6c29a8a62d39d01d31f256 100644
--- a/include/util/tlog.h
+++ b/include/util/tlog.h
@@ -83,8 +83,8 @@ void taosPrintLongString(const char *flags, ELogLevel level, int32_t dflag, cons
 #endif
     ;
 
-bool taosAssertLog(bool condition, const char *file, int32_t line, const char *format, ...);
-#define ASSERTS(condition, ...) taosAssertLog(condition, __FILE__, __LINE__, __VA_ARGS__)
+bool taosAssert(bool condition, const char *file, int32_t line, const char *format, ...);
+#define ASSERTS(condition, ...) taosAssert(condition, __FILE__, __LINE__, __VA_ARGS__)
 #define ASSERT(condition)       ASSERTS(condition, "assert info not provided")
 
 // clang-format off
diff --git a/source/dnode/mgmt/exe/dmMain.c b/source/dnode/mgmt/exe/dmMain.c
index 6963803df0b6f5453cfc016aa48578ae87a6a009..175bbc6a39b10deefc849d08bb50b084b8307c9d 100644
--- a/source/dnode/mgmt/exe/dmMain.c
+++ b/source/dnode/mgmt/exe/dmMain.c
@@ -17,6 +17,7 @@
 #include "dmMgmt.h"
 #include "mnode.h"
 #include "tconfig.h"
+#include "tglobal.h"
 
 // clang-format off
 #define DM_APOLLO_URL    "The apollo string to use when configuring the server, such as: -a 'jsonFile:./tests/cfg.json', cfg.json text can be '{\"fqdn\":\"td1\"}'."
@@ -45,9 +46,30 @@ static struct {
   SArray      *pArgs;  // SConfigPair
 } global = {0};
 
-static void dmStopDnode(int signum, void *info, void *ctx) { dmStop(); }
+static void dmSetDebugFlag(int32_t signum, void *sigInfo, void *context) { taosSetAllDebugFlag(143, true); }
+static void dmSetAssert(int32_t signum, void *sigInfo, void *context) { tsAssert = 1; }
+
+static void dmStopDnode(int signum, void *sigInfo, void *context) {
+  // taosIgnSignal(SIGUSR1);
+  // taosIgnSignal(SIGUSR2);
+  taosIgnSignal(SIGTERM);
+  taosIgnSignal(SIGHUP);
+  taosIgnSignal(SIGINT);
+  taosIgnSignal(SIGABRT);
+  taosIgnSignal(SIGBREAK);
+
+  dInfo("shut down signal is %d", signum);
+#ifndef WINDOWS
+  dInfo("sender PID:%d cmdline:%s", ((siginfo_t *)sigInfo)->si_pid,
+        taosGetCmdlineByPID(((siginfo_t *)sigInfo)->si_pid));
+#endif
+
+  dmStop();
+}
 
 static void dmSetSignalHandle() {
+  taosSetSignal(SIGUSR1, dmSetDebugFlag);
+  taosSetSignal(SIGUSR2, dmSetAssert);
   taosSetSignal(SIGTERM, dmStopDnode);
   taosSetSignal(SIGHUP, dmStopDnode);
   taosSetSignal(SIGINT, dmStopDnode);
diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index cea08e46fe51b9c74e01e89e5b602f4a06131d05..3825b91c6d1deea6518f1ce087c10c30541b1542 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -780,7 +780,7 @@ cmp_end:
   return ret;
 }
 
-bool taosAssertLog(bool condition, const char *file, int32_t line, const char *format, ...) {
+bool taosAssert(bool condition, const char *file, int32_t line, const char *format, ...) {
   if (condition) return false;
 
   const char *flags = "UTL FATAL ";