diff --git a/twe/func.php b/twe/func.php
index 66a9af85..0efe532d 100644
--- a/twe/func.php
+++ b/twe/func.php
@@ -758,7 +758,7 @@ function CoreCommandTable($connect) {
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $me = MYDB_fetch_array($result);
 
-    $query = "select level,colset from nation where nation='{$me['nation']}'";
+    $query = "select level,can_change_flag from nation where nation='{$me['nation']}'";
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $nation = MYDB_fetch_array($result);
 
@@ -832,7 +832,7 @@ function CoreCommandTable($connect) {
     addCommand("급습/1턴(전략{$term})", 78, $valid);
     commandGroup("", 1);
     commandGroup("====== 기 타 ======");
-    if($nation['colset'] > 0) {
+    if($nation['can_change_flag'] > 0) {
         addCommand("국기 변경", 81, 1);
     } else {
         addCommand("국기 변경", 81, 0);
diff --git a/twe/func_process_chief.php b/twe/func_process_chief.php
index ea5be3d4..58ed001b 100644
--- a/twe/func_process_chief.php
+++ b/twe/func_process_chief.php
@@ -2244,7 +2244,7 @@ function process_81($connect, &$general) {
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $city = MYDB_fetch_array($result);
 
-    $query = "select nation,colset,name,type,tricklimit,l{$general['level']}term,l{$general['level']}turn0 from nation where nation='{$general['nation']}'";
+    $query = "select nation,can_change_flag,name,type,tricklimit,l{$general['level']}term,l{$general['level']}turn0 from nation where nation='{$general['nation']}'";
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $nation = MYDB_fetch_array($result);
 
@@ -2258,7 +2258,7 @@ function process_81($connect, &$general) {
         $log[] = "<C>●</>{$admin['month']}월:아국이 아닙니다. 국기변경 실패. <1>$date</>";
     } elseif($general['level'] < 5) {
         $log[] = "<C>●</>{$admin['month']}월:수뇌부가 아닙니다. 국기변경 실패. <1>$date</>";
-    } elseif($nation['colset'] <= 0) {
+    } elseif($nation['can_change_flag'] <= 0) {
         $log[] = "<C>●</>{$admin['month']}월:더이상 변경이 불가능합니다. 국기변경 실패. <1>$date</>";
     } else {
         $log[] = "<C>●</>{$admin['month']}월:<font color={$color}><b>국기</b></font>를 변경합니다. <1>$date</>";
@@ -2284,7 +2284,7 @@ function process_81($connect, &$general) {
         addNationHistory($nation, "<C>●</>{$admin['year']}년 {$admin['month']}월:<Y>{$general['name']}</>(이)가 <font color={$color}><b>국기</b></font>를 변경");
 
         //국기변경
-        $query = "update nation set color='$color',colset=colset-1 where nation='{$nation['nation']}'";
+        $query = "update nation set color='$color',can_change_flag=can_change_flag-1 where nation='{$nation['nation']}'";
         MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
 
         //경험치, 공헌치
diff --git a/twe/schema.php b/twe/schema.php
index 167e6692..9120ef19 100644
--- a/twe/schema.php
+++ b/twe/schema.php
@@ -181,7 +181,7 @@ $nation_schema = "
   create table nation (
     nation  int(6) not null auto_increment,
     `name` CHAR(64) NOT NULL COLLATE 'utf8_bin',
-    color   char(10) not null,  colset int(1) default 1,
+    color   char(10) not null,  can_change_flag int(1) default 1,
     onlinegen   varchar(1024) default '',
     msg     text default '',
     capital int(1) default 0,   capset int(1) default 0,