diff --git a/f_install/templates/RootDB.orig.php b/f_install/templates/RootDB.orig.php
index c59ce260..f41fbd15 100644
--- a/f_install/templates/RootDB.orig.php
+++ b/f_install/templates/RootDB.orig.php
@@ -29,6 +29,8 @@ class RootDB
         if (self::$uDB === null) {
             self::$uDB = new \MeekroDB(self::$host, self::$user, self::$password, self::$dbName, self::$port, self::$encoding);
             self::$uDB->connect_options[MYSQLI_OPT_INT_AND_FLOAT_NATIVE] = true;
+
+            self::$uDB->error_handler= function(){};
             self::$uDB->throw_exception_on_error = true;
             self::$uDB->throw_exception_on_nonsql_error = true;
         }
diff --git a/hwe/d_setting/DB.orig.php b/hwe/d_setting/DB.orig.php
index 71e7fdb3..6ca56027 100644
--- a/hwe/d_setting/DB.orig.php
+++ b/hwe/d_setting/DB.orig.php
@@ -27,6 +27,8 @@ class DB{
         if(self::$uDB === null){
             self::$uDB = new \MeekroDB(self::$host,self::$user,self::$password,self::$dbName,self::$port,self::$encoding);
             self::$uDB->connect_options[MYSQLI_OPT_INT_AND_FLOAT_NATIVE] = true;
+
+            self::$uDB->error_handler= function(){};
             self::$uDB->throw_exception_on_error = true;
             self::$uDB->throw_exception_on_nonsql_error = true;
         }
diff --git a/hwe/sql/schema.sql b/hwe/sql/schema.sql
index 45cadccf..ae9a5185 100644
--- a/hwe/sql/schema.sql
+++ b/hwe/sql/schema.sql
@@ -280,8 +280,8 @@ create table nation (
 ###########################################################################
 ## trade 100 이 표준 시세
 create table city (
-  city   int(6) not null auto_increment,
-  name   char(64) not null,
+  `city` INT(6) NOT NULL AUTO_INCREMENT,
+	`name` CHAR(64) NOT NULL,
   level  int(1) default 0,
   upgrading int(1) default 0,
   nation int(6) default 0,
@@ -312,7 +312,7 @@ create table city (
   state   int(2) default 0,
   region  int(2) default 0,
   term    int(1) default 0,
-  conflict    varchar(500) default '{}'
+  conflict    varchar(500) default '{}',
 
   PRIMARY KEY (city),
   KEY (nation)