diff --git a/modules/core/db/core.erm b/modules/core/db/core.erm
index eb43d3c1..4bb35026 100644
--- a/modules/core/db/core.erm
+++ b/modules/core/db/core.erm
@@ -11,8 +11,8 @@
 	</page_setting>
 	<category_index>0</category_index>
 	<zoom>1.0</zoom>
-	<x>54</x>
-	<y>1963</y>
+	<x>1503</x>
+	<y>1793</y>
 	<default_color>
 		<r>128</r>
 		<g>128</g>
@@ -13933,7 +13933,7 @@
 					<default_value></default_value>
 					<auto_increment>false</auto_increment>
 					<foreign_key>false</foreign_key>
-					<not_null>true</not_null>
+					<not_null>false</not_null>
 					<primary_key>false</primary_key>
 					<unique_key>false</unique_key>
 					<character_set></character_set>
diff --git a/modules/core/db/mssql/core.sql b/modules/core/db/mssql/core.sql
index b1cf4b24..9ced09e3 100644
--- a/modules/core/db/mssql/core.sql
+++ b/modules/core/db/mssql/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE [js_sys_config]
 	[id] varchar(64) NOT NULL,
 	[config_name] nvarchar(100) NOT NULL,
 	[config_key] varchar(100) NOT NULL,
-	[config_value] nvarchar(1000) NOT NULL,
+	[config_value] nvarchar(1000),
 	[is_sys] char(1) NOT NULL,
 	[create_by] varchar(64) NOT NULL,
 	[create_date] datetime NOT NULL,
diff --git a/modules/core/db/mysql/core.sql b/modules/core/db/mysql/core.sql
index 4b70684d..0d3422bb 100644
--- a/modules/core/db/mysql/core.sql
+++ b/modules/core/db/mysql/core.sql
@@ -176,7 +176,7 @@ CREATE TABLE js_sys_config
 	id varchar(64) NOT NULL COMMENT '编号',
 	config_name varchar(100) NOT NULL COMMENT '名称',
 	config_key varchar(100) NOT NULL COMMENT '参数键',
-	config_value varchar(1000) NOT NULL COMMENT '参数值',
+	config_value varchar(1000) COMMENT '参数值',
 	is_sys char(1) NOT NULL COMMENT '系统内置（1是 0否）',
 	create_by varchar(64) NOT NULL COMMENT '创建者',
 	create_date datetime NOT NULL COMMENT '创建时间',
diff --git a/modules/core/db/oracle/core.sql b/modules/core/db/oracle/core.sql
index d3c89d9f..68781cfe 100644
--- a/modules/core/db/oracle/core.sql
+++ b/modules/core/db/oracle/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE js_sys_config
 	id varchar2(64) NOT NULL,
 	config_name nvarchar2(100) NOT NULL,
 	config_key varchar2(100) NOT NULL,
-	config_value nvarchar2(1000) NOT NULL,
+	config_value nvarchar2(1000),
 	is_sys char(1) NOT NULL,
 	create_by varchar2(64) NOT NULL,
 	create_date timestamp NOT NULL,
diff --git a/modules/core/db/postgresql/core.sql b/modules/core/db/postgresql/core.sql
index c3736a63..0a52bba8 100644
--- a/modules/core/db/postgresql/core.sql
+++ b/modules/core/db/postgresql/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE js_sys_config
 	id varchar(64) NOT NULL,
 	config_name varchar(100) NOT NULL,
 	config_key varchar(100) NOT NULL,
-	config_value varchar(1000) NOT NULL,
+	config_value varchar(1000),
 	is_sys char(1) NOT NULL,
 	create_by varchar(64) NOT NULL,
 	create_date timestamp NOT NULL,
diff --git a/web/db/mssql/core.sql b/web/db/mssql/core.sql
index b1cf4b24..9ced09e3 100644
--- a/web/db/mssql/core.sql
+++ b/web/db/mssql/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE [js_sys_config]
 	[id] varchar(64) NOT NULL,
 	[config_name] nvarchar(100) NOT NULL,
 	[config_key] varchar(100) NOT NULL,
-	[config_value] nvarchar(1000) NOT NULL,
+	[config_value] nvarchar(1000),
 	[is_sys] char(1) NOT NULL,
 	[create_by] varchar(64) NOT NULL,
 	[create_date] datetime NOT NULL,
diff --git a/web/db/mysql/core.sql b/web/db/mysql/core.sql
index 4b70684d..0d3422bb 100644
--- a/web/db/mysql/core.sql
+++ b/web/db/mysql/core.sql
@@ -176,7 +176,7 @@ CREATE TABLE js_sys_config
 	id varchar(64) NOT NULL COMMENT '编号',
 	config_name varchar(100) NOT NULL COMMENT '名称',
 	config_key varchar(100) NOT NULL COMMENT '参数键',
-	config_value varchar(1000) NOT NULL COMMENT '参数值',
+	config_value varchar(1000) COMMENT '参数值',
 	is_sys char(1) NOT NULL COMMENT '系统内置（1是 0否）',
 	create_by varchar(64) NOT NULL COMMENT '创建者',
 	create_date datetime NOT NULL COMMENT '创建时间',
diff --git a/web/db/oracle/core.sql b/web/db/oracle/core.sql
index d3c89d9f..68781cfe 100644
--- a/web/db/oracle/core.sql
+++ b/web/db/oracle/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE js_sys_config
 	id varchar2(64) NOT NULL,
 	config_name nvarchar2(100) NOT NULL,
 	config_key varchar2(100) NOT NULL,
-	config_value nvarchar2(1000) NOT NULL,
+	config_value nvarchar2(1000),
 	is_sys char(1) NOT NULL,
 	create_by varchar2(64) NOT NULL,
 	create_date timestamp NOT NULL,
diff --git a/web/db/postgresql/core.sql b/web/db/postgresql/core.sql
index c3736a63..0a52bba8 100644
--- a/web/db/postgresql/core.sql
+++ b/web/db/postgresql/core.sql
@@ -175,7 +175,7 @@ CREATE TABLE js_sys_config
 	id varchar(64) NOT NULL,
 	config_name varchar(100) NOT NULL,
 	config_key varchar(100) NOT NULL,
-	config_value varchar(1000) NOT NULL,
+	config_value varchar(1000),
 	is_sys char(1) NOT NULL,
 	create_by varchar(64) NOT NULL,
 	create_date timestamp NOT NULL,