diff --git a/neutrino-proxy-server/src/main/resources/sql/h2/init-structure.sql b/neutrino-proxy-server/src/main/resources/sql/h2/init-structure.sql
index 5ef08fa7..2be89afc 100644
--- a/neutrino-proxy-server/src/main/resources/sql/h2/init-structure.sql
+++ b/neutrino-proxy-server/src/main/resources/sql/h2/init-structure.sql
@@ -98,7 +98,7 @@ CREATE TABLE IF NOT EXISTS `port_mapping` (
   `license_id` INTEGER(20) NOT NULL,
   `protocal` VARCHAR(10) NOT NULL DEFAULT 'TCP',
   `server_port` INTEGER NOT NULL,
-  `client_ip` VARCHAR(20) NOT NULL,
+  `client_ip` VARCHAR(255) NOT NULL,
   `client_port` INTEGER NOT NULL,
   `up_limit_rate` VARCHAR(20) DEFAULT NULL,
   `down_limit_rate` VARCHAR(20) DEFAULT NULL,
diff --git a/neutrino-proxy-server/src/main/resources/sql/mariadb/init-structure.sql b/neutrino-proxy-server/src/main/resources/sql/mariadb/init-structure.sql
index 183de165..c14bf037 100644
--- a/neutrino-proxy-server/src/main/resources/sql/mariadb/init-structure.sql
+++ b/neutrino-proxy-server/src/main/resources/sql/mariadb/init-structure.sql
@@ -103,7 +103,7 @@ CREATE TABLE IF NOT EXISTS `port_mapping` (
     `license_id` int NOT NULL COMMENT 'licenseID',
     `protocal` varchar(10) NOT NULL DEFAULT 'TCP' COMMENT '协议',
     `server_port` int NOT NULL COMMENT '服务端端口',
-    `client_ip` varchar(20) NOT NULL COMMENT '客户端IP',
+    `client_ip` varchar(255) NOT NULL COMMENT '客户端IP',
     `client_port` int NOT NULL COMMENT '客户端端口',
     `up_limit_rate` varchar(20) DEFAULT NULL COMMENT '上传限速',
     `down_limit_rate` varchar(20) DEFAULT NULL COMMENT '下载限速',
diff --git a/neutrino-proxy-server/src/main/resources/sql/mysql/init-structure.sql b/neutrino-proxy-server/src/main/resources/sql/mysql/init-structure.sql
index 65090ef0..5bb4f973 100644
--- a/neutrino-proxy-server/src/main/resources/sql/mysql/init-structure.sql
+++ b/neutrino-proxy-server/src/main/resources/sql/mysql/init-structure.sql
@@ -103,7 +103,7 @@ CREATE TABLE IF NOT EXISTS `port_mapping` (
     `license_id` int NOT NULL COMMENT 'licenseID',
     `protocal` varchar(10) NOT NULL DEFAULT 'TCP' COMMENT '协议',
     `server_port` int NOT NULL COMMENT '服务端端口',
-    `client_ip` varchar(20) NOT NULL COMMENT '客户端IP',
+    `client_ip` varchar(255) NOT NULL COMMENT '客户端IP',
     `client_port` int NOT NULL COMMENT '客户端端口',
     `up_limit_rate` varchar(20) DEFAULT NULL COMMENT '上传限速',
     `down_limit_rate` varchar(20) DEFAULT NULL COMMENT '下载限速',