diff --git a/Dockerfile/dockerfile.bbsd b/Dockerfile/dockerfile.bbsd
index 054d0ea0..864c62e0 100644
--- a/Dockerfile/dockerfile.bbsd
+++ b/Dockerfile/dockerfile.bbsd
@@ -1,7 +1,5 @@
 # Stage for Build
-FROM debian:13-slim
-
-ARG LBBS_HOME_DIR=/usr/local/lbbs
+FROM debian:13-slim AS builder
 
 RUN apt-get update && apt-get install -y \
     gcc make gdb autoconf automake libtool pkg-config \
@@ -13,7 +11,7 @@ COPY ./ /home/lbbs_src
 WORKDIR /home/lbbs_src
 
 RUN autoreconf --install --force
-RUN ./configure --prefix=${LBBS_HOME_DIR} \
+RUN ./configure --prefix=/usr/local/lbbs \
     && make && make install
 
 # Stage for Runtime
@@ -38,6 +36,6 @@ RUN apt-get update && apt-get install -y \
 # Copy the custom configuration file
 COPY ./Dockerfile/php.ini /usr/local/etc/php/php.ini
 
-COPY --from=0 /usr/local/lbbs /usr/local/lbbs
+COPY --from=builder /usr/local/lbbs /usr/local/lbbs
 
-WORKDIR ${LBBS_HOME_DIR}
+WORKDIR /usr/local/lbbs
diff --git a/INSTALL.md b/INSTALL.md
index 2b17c0c6..dc0d44ef 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -53,9 +53,9 @@ To install LBBS on Linux (e.g. Debian 13, CentOS Stream 10), please perform the
    sudo -u bbs php $LBBS_HOME_DIR/utils/bin/gen_top.php  
 
 10) Create SSH2 RSA / ED25519 certificate  
-   ssh-keygen -t rsa -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_rsa_key  
-   ssh-keygen -t ed25519 -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_ed25519_key  
-   ssh-keygen -t ecdsa -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_ecdsa_key  
+   ssh-keygen -t rsa -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_rsa_key  
+   ssh-keygen -t ed25519 -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_ed25519_key  
+   ssh-keygen -t ecdsa -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_ecdsa_key  
 
 11) Startup  
    sudo -u bbs $LBBS_HOME_DIR/bin/bbsd
diff --git a/INSTALL.zh_CN.md b/INSTALL.zh_CN.md
index 19e07e53..d0ff5c2d 100644
--- a/INSTALL.zh_CN.md
+++ b/INSTALL.zh_CN.md
@@ -52,9 +52,9 @@
 8) 将MySQL服务器的CA证书文件，复制到$LBBS_HOME_DIR/conf/ca_cert.pem  
 
 9) 创建SSH2 RSA / ED25519 证书  
-   ssh-keygen -t rsa -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_rsa_key  
-   ssh-keygen -t ed25519 -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_ed25519_key  
-   ssh-keygen -t ecdsa -C "Your Server Name" -f $LBBS_HOME_DIR/conf/ssh_host_ecdsa_key  
+   ssh-keygen -t rsa -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_rsa_key  
+   ssh-keygen -t ed25519 -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_ed25519_key  
+   ssh-keygen -t ecdsa -C "Your Server Name" -N "" -f $LBBS_HOME_DIR/conf/ssh_host_ecdsa_key  
 
 10) 启动服务程序  
    sudo -u bbs $LBBS_HOME_DIR/bin/bbsd
diff --git a/configure.ac b/configure.ac
index 9c22cfdd..45da5d58 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],[1.7.1])
+AC_INIT([lbbs],[1.7.2])
 AC_CONFIG_SRCDIR([src/])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIRS([m4])
diff --git a/src/memory_pool.c b/src/memory_pool.c
index 8d086cdf..34de2272 100644
--- a/src/memory_pool.c
+++ b/src/memory_pool.c
@@ -80,16 +80,19 @@ inline static void *memory_pool_add_chunk(MEMORY_POOL *p_pool)
 	void *p_chunk;
 	void *p_node;
 	size_t i;
+	size_t chunk_size;
 
 	if (p_pool->chunk_count >= p_pool->chunk_count_limit)
 	{
 		log_error("Chunk count limit %d reached", p_pool->chunk_count);
 		return NULL;
 	}
-	p_chunk = malloc(p_pool->node_size * p_pool->node_count_per_chunk);
+
+	chunk_size = p_pool->node_size * p_pool->node_count_per_chunk;
+	p_chunk = malloc(chunk_size);
 	if (p_chunk == NULL)
 	{
-		log_error("malloc(%d * %d) error: OOM", p_pool->node_size, p_pool->node_count_per_chunk);
+		log_error("malloc(%zu) error: OOM", chunk_size);
 		return NULL;
 	}
 
@@ -180,7 +183,7 @@ int memory_pool_check_node(MEMORY_POOL *p_pool, void *p_node)
 			else
 			{
 				log_error("Address of node (%p) is not aligned with border of chunk %d [%p, %p)",
-						  i, p_node >= p_pool->p_chunks[i], (char *)(p_pool->p_chunks[i]) + chunk_size);
+						  p_node, i, p_pool->p_chunks[i], (char *)(p_pool->p_chunks[i]) + chunk_size);
 				return -3;
 			}
 		}
diff --git a/utils/bin/gen_ex_list.php b/utils/bin/gen_ex_list.php
index addf433d..0ed91196 100644
--- a/utils/bin/gen_ex_list.php
+++ b/utils/bin/gen_ex_list.php
@@ -90,7 +90,7 @@ function gen_ex_dir(mysqli $db_conn, int $sid, int $fid = 0, string $dir = "", s
 	if (!isset($_SERVER["argc"]))
 	{
 		echo ("Invalid usage");
-		exit();
+		exit(-1);
 	}
 
 	chdir(dirname($_SERVER["argv"][0]));
@@ -138,7 +138,7 @@ function gen_ex_dir(mysqli $db_conn, int $sid, int $fid = 0, string $dir = "", s
 	if ($rs == false)
 	{
 		echo ("Query section error: " . mysqli_error($db_conn));
-		exit();
+		exit(-2);
 	}
 
 	while ($row = mysqli_fetch_array($rs))
@@ -155,7 +155,7 @@ function gen_ex_dir(mysqli $db_conn, int $sid, int $fid = 0, string $dir = "", s
 			if ($ret == false)
 			{
 				echo ("Update tm error: " . mysqli_error($db_conn));
-				exit();
+				exit(-3);
 			}
 		}
 		else
diff --git a/utils/bin/gen_section_menu.php b/utils/bin/gen_section_menu.php
index 1a7ec989..273ecd36 100644
--- a/utils/bin/gen_section_menu.php
+++ b/utils/bin/gen_section_menu.php
@@ -2,7 +2,7 @@
 	if (!isset($_SERVER["argc"]))
 	{
 		echo ("Invalid usage");
-		exit();
+		exit(-1);
 	}
 
 	chdir(dirname($_SERVER["argv"][0]));
@@ -18,7 +18,7 @@
 	if ($buffer == false)
 	{
 		echo "Unable to load menu config file " . $menu_input_path . "\n";
-		exit();
+		exit(-2);
 	}
 
 	// Load section list
@@ -84,7 +84,7 @@ function (array $section, array $filter_param) : mixed
 	if ($ret == false)
 	{
 		echo "Query section list error: " . mysqli_error($db_conn);
-		exit();
+		exit(-3);
 	}
 
 	// Generate menu of section class
@@ -229,7 +229,7 @@ function (array $section, array $filter_param) : mixed
 	if ($ret == false)
 	{
 		echo "Query excerptional section list error: " . mysqli_error($db_conn);
-		exit();
+		exit(-3);
 	}
 
 	// Generate menu of excerptional section class
diff --git a/utils/bin/gen_top.php b/utils/bin/gen_top.php
index 6db66f37..c0c07851 100644
--- a/utils/bin/gen_top.php
+++ b/utils/bin/gen_top.php
@@ -2,7 +2,7 @@
 	if (!isset($_SERVER["argc"]))
 	{
 		echo ("Invalid usage");
-		exit();
+		exit(-1);
 	}
 
 	chdir(dirname($_SERVER["argv"][0]));
@@ -43,7 +43,7 @@
 	if ($rs == false)
 	{
 		echo("Query data error: " . mysqli_error($db_conn));
-		exit();
+		exit(-2);
 	}
 
 	$i = 1;
diff --git a/utils/lib/db_open.inc.php b/utils/lib/db_open.inc.php
index 4b653864..fd532ebc 100644
--- a/utils/lib/db_open.inc.php
+++ b/utils/lib/db_open.inc.php
@@ -37,6 +37,6 @@ function db_open($sql_charset = "utf8")
 
 		if ($db_conn == NULL)
 		{
-			exit();
+			exit(-1);
 		}
 	}