diff --git a/conf/lbbs.logrotate.in b/conf/lbbs.logrotate.in
index 45930fe..bb7ccd4 100644
--- a/conf/lbbs.logrotate.in
+++ b/conf/lbbs.logrotate.in
@@ -7,6 +7,6 @@
     create 640 bbs bbs
     sharedscripts
     postrotate
-        systemctl reload bbsd.service > /dev/null 2>/dev/null || true
+        systemctl reload lbbs.service > /dev/null 2>/dev/null || true
     endscript
 }
diff --git a/configure.ac b/configure.ac
index a947c5e..2aeba58 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([lbbs],[1.7.7])
+AC_INIT([lbbs],[1.7.8])
 AC_CONFIG_SRCDIR([src/])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIRS([m4])
diff --git a/src/net_server.c b/src/net_server.c
index 3173fbe..217f335 100644
--- a/src/net_server.c
+++ b/src/net_server.c
@@ -830,20 +830,14 @@ int net_server(const char *hostaddr, in_port_t port[])
 				BBS_eula_tm = file_stat.st_mtim.tv_sec;
 			}
 
-			if (detach_menu_shm(&bbs_menu) < 0)
-			{
-				log_error("detach_menu_shm(bbs_menu) error");
-			}
+			unload_menu(&bbs_menu);
 			if (load_menu(&bbs_menu, CONF_MENU) < 0)
 			{
 				log_error("load_menu(bbs_menu) error");
 				unload_menu(&bbs_menu);
 			}
 
-			if (detach_menu_shm(&top10_menu) < 0)
-			{
-				log_error("detach_menu_shm(top10_menu) error");
-			}
+			unload_menu(&top10_menu);
 			if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
 			{
 				log_error("load_menu(top10_menu) error");
diff --git a/src/section_list.c b/src/section_list.c
index 2c74754..006e393 100644
--- a/src/section_list.c
+++ b/src/section_list.c
@@ -887,14 +887,23 @@ int section_list_append_article(SECTION_LIST *p_section, const ARTICLE *p_articl
 		if (p_topic_head == NULL)
 		{
 			log_error("search head of topic (aid=%d) error", p_article->tid);
-			return -4;
-		}
 
-		p_topic_tail = p_topic_head->p_topic_prior;
-		if (p_topic_tail == NULL)
+			p_article->tid = 0;		// Reset tid to 0 to avoid linking to non-existing topic
+			p_article->visible = 0; // Set invisible to avoid being displayed in topic list
+
+			p_section->topic_count++;
+
+			p_topic_head = p_article;
+			p_topic_tail = p_article;
+		}
+		else
 		{
-			log_error("tail of topic (aid=%d) is NULL", p_article->tid);
-			return -4;
+			p_topic_tail = p_topic_head->p_topic_prior;
+			if (p_topic_tail == NULL)
+			{
+				log_error("tail of topic (aid=%d) is NULL", p_article->tid);
+				return -4;
+			}
 		}
 	}
 	else
diff --git a/src/section_list_loader.c b/src/section_list_loader.c
index 7566d55..734dd22 100644
--- a/src/section_list_loader.c
+++ b/src/section_list_loader.c
@@ -160,10 +160,7 @@ int load_section_config_from_db(int update_gen_ex)
 		{
 			snprintf(ex_menu_conf, sizeof(ex_menu_conf), "%s/%d", VAR_GEN_EX_MENU_DIR, p_section->sid);
 
-			if (detach_menu_shm(&(p_section->ex_menu_set)) < 0)
-			{
-				log_error("detach_menu_shm(%s) error", ex_menu_conf);
-			}
+			unload_menu(&(p_section->ex_menu_set));
 			if (load_menu(&(p_section->ex_menu_set), ex_menu_conf) < 0)
 			{
 				log_error("load_menu(%s) error", ex_menu_conf);
diff --git a/src/trie_dict.c b/src/trie_dict.c
index b709261..4196ee8 100644
--- a/src/trie_dict.c
+++ b/src/trie_dict.c
@@ -162,20 +162,27 @@ TRIE_NODE *trie_dict_create(void)
 {
 	TRIE_NODE *p_dict = NULL;
 
-	if (p_trie_node_pool != NULL && p_trie_node_pool->p_node_free_list != NULL)
+	if (p_trie_node_pool == NULL)
 	{
-		p_dict = p_trie_node_pool->p_node_free_list;
-		p_trie_node_pool->p_node_free_list = p_dict->p_nodes[0];
+		log_error("trie_dict_pool not initialized");
+		return NULL;
+	}
 
-		memset(p_dict, 0, sizeof(*p_dict));
+	log_debug("trie_dict_node used %d of %d", p_trie_node_pool->node_count, p_trie_node_pool->node_count_limit);
 
-		p_trie_node_pool->node_count++;
-	}
-	else if (p_trie_node_pool != NULL)
+	if (p_trie_node_pool->p_node_free_list == NULL)
 	{
 		log_error("trie_dict_create() error: node depleted %d >= %d", p_trie_node_pool->node_count, p_trie_node_pool->node_count_limit);
+		return NULL;
 	}
 
+	p_dict = p_trie_node_pool->p_node_free_list;
+	p_trie_node_pool->p_node_free_list = p_dict->p_nodes[0];
+
+	memset(p_dict, 0, sizeof(*p_dict));
+
+	p_trie_node_pool->node_count++;
+
 	return p_dict;
 }