diff --git a/common/syslogd/include/logging.h b/common/syslogd/include/logging.h
index 19f1dae..1eba367 100644
--- a/common/syslogd/include/logging.h
+++ b/common/syslogd/include/logging.h
@@ -46,6 +46,7 @@ extern void mesa_logging_print(int log_level, const char *module, const char *ms
 
 #define mesa_runtime_log(level, module, ...)   mesa_log(logging_sc_lid.debug_switch, level, module, __VA_ARGS__)
 
-void cert_syslog_init(const char *config, const char * version);
+void cert_store_syslog_init(const char *config, const char * version);
+void cert_store_log_reconstruction();
 
 #endif
diff --git a/common/syslogd/src/logging.cpp b/common/syslogd/src/logging.cpp
index 19c5a92..67659f6 100644
--- a/common/syslogd/src/logging.cpp
+++ b/common/syslogd/src/logging.cpp
@@ -31,7 +31,12 @@ void mesa_logging_print(int log_level, const char *module, const char *msg)
     return;
 }
 
-void cert_syslog_init(const char *config, const char * version)
+void cert_store_log_reconstruction()
+{
+	MESA_handle_runtime_log_reconstruction(NULL);
+}
+
+void cert_store_syslog_init(const char *config, const char * version)
 {
 	struct breakpad_instance *breakpad;
 
diff --git a/program/include/cert_conf.h b/program/include/cert_conf.h
index 0dda0d4..160af03 100644
--- a/program/include/cert_conf.h
+++ b/program/include/cert_conf.h
@@ -89,6 +89,6 @@ struct config_bucket_t{
 
 extern struct config_bucket_t *cfg_instanec();
 
-void cert_init_config(const char *config);
+void cert_store_init_config(const char *config);
 
 #endif
diff --git a/program/include/cert_session.h b/program/include/cert_session.h
index 4f1e459..fae1ac0 100644
--- a/program/include/cert_session.h
+++ b/program/include/cert_session.h
@@ -103,7 +103,7 @@ typedef struct {
 
 } x509_forge_thread;
 
-int cert_session_init();
+int cert_store_session_init();
 
 void sigproc(int __attribute__((__unused__))sig);
 
diff --git a/program/src/cert_conf.cpp b/program/src/cert_conf.cpp
index 967265a..c4816ff 100644
--- a/program/src/cert_conf.cpp
+++ b/program/src/cert_conf.cpp
@@ -176,7 +176,7 @@ finish:
     return xret;
 }
 
-void cert_init_config(const char *config)
+void cert_store_init_config(const char *config)
 {
     load_system_config(config);
 
diff --git a/program/src/cert_session.cpp b/program/src/cert_session.cpp
index 4853cdd..2be2249 100644
--- a/program/src/cert_session.cpp
+++ b/program/src/cert_session.cpp
@@ -2116,11 +2116,12 @@ void sigproc(int __attribute__((__unused__))sig)
 
     struct config_bucket_t *rte = cfg_instanec();
 
-    for (tid = 0; tid <  rte->thread_nu; tid++) {
+    for (tid = 0; tid <  rte->thread_nu; tid++)
+	{
         thread = threads + tid;
-        if (thread->sync){
+        if (thread->sync)
+		{
             redisAsyncDisconnect(thread->cl_ctx);
-            free(thread->cl_ctx);
             redisFree(thread->sync);
         }
         event_base_free(thread->base);
@@ -2327,7 +2328,7 @@ int maat_feather_init()
     return 0;
 }
 
-int cert_session_init()
+int cert_store_session_init()
 {
     mesa_fiel_stat_init();
 
diff --git a/program/src/cert_store.cpp b/program/src/cert_store.cpp
index efc55a8..3df16f7 100644
--- a/program/src/cert_store.cpp
+++ b/program/src/cert_store.cpp
@@ -40,7 +40,7 @@ enum syslog_display_format{
 };
 
 static
-void cert_preview ()
+void cert_store_preview ()
 {
     struct config_bucket_t *rte = cfg_instanec();
 
@@ -69,6 +69,27 @@ void cert_preview ()
     printf("\r\n");
 }
 
+static int signals[] = {SIGHUP, SIGPIPE, SIGUSR1,SIGINT};
+
+void __signal_handler_cb(int sig)
+{
+	switch (sig)
+	{
+		case SIGHUP:
+			mesa_runtime_log(RLOG_LV_INFO, MODULE_NAME, "Recv signal sighup, reload log config!");
+            cert_store_log_reconstruction();
+            break;
+		case SIGPIPE:
+			break;
+		case SIGUSR1:
+		case SIGINT:
+			sigproc(SIGINT);
+			break;
+		default:
+			break;
+	}
+}
+
 int main(int argc, char **argv)
 {
 	int opt = 0;
@@ -83,17 +104,20 @@ int main(int argc, char **argv)
 				break;
 		}
 	}
-    cert_syslog_init(CERT_BASIC_CFG, version());
+    cert_store_syslog_init(CERT_BASIC_CFG, version());
 
-    cert_init_config(CERT_BASIC_CFG);
+    cert_store_init_config(CERT_BASIC_CFG);
 
-    cert_preview();
+    cert_store_preview();
 
     mesa_runtime_log(RLOG_LV_INFO, MODULE_NAME, "Cert server init success");
 
-    cert_session_init();
+	for (size_t i = 0; i < (sizeof(signals) / sizeof(int)); i++)
+	{
+		signal(signals[i], __signal_handler_cb);
+	}
 
-    signal(SIGINT, sigproc);
+    cert_store_session_init();
 
     return 0;
 }