diff --git a/hwe/sammo/Command/Nation/event_극병연구.php b/hwe/sammo/Command/Nation/event_극병연구.php
index 590bb52d..c8d30d7e 100644
--- a/hwe/sammo/Command/Nation/event_극병연구.php
+++ b/hwe/sammo/Command/Nation/event_극병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_극병연구 extends Command\NationCommand{
     static protected $actionName = '극병 연구';
@@ -27,10 +28,14 @@ class event_극병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
+
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_대검병연구.php b/hwe/sammo/Command/Nation/event_대검병연구.php
index 794379c5..2e3c8bf9 100644
--- a/hwe/sammo/Command/Nation/event_대검병연구.php
+++ b/hwe/sammo/Command/Nation/event_대검병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_대검병연구 extends Command\NationCommand{
     static protected $actionName = '대검병 연구';
@@ -27,10 +28,13 @@ class event_대검병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_무희연구.php b/hwe/sammo/Command/Nation/event_무희연구.php
index 911f6260..c38351ee 100644
--- a/hwe/sammo/Command/Nation/event_무희연구.php
+++ b/hwe/sammo/Command/Nation/event_무희연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_무희연구 extends Command\NationCommand{
     static protected $actionName = '무희 연구';
@@ -27,10 +28,13 @@ class event_무희연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_산저병연구.php b/hwe/sammo/Command/Nation/event_산저병연구.php
index c3ec12ca..21ece11f 100644
--- a/hwe/sammo/Command/Nation/event_산저병연구.php
+++ b/hwe/sammo/Command/Nation/event_산저병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_산저병연구 extends Command\NationCommand{
     static protected $actionName = '산저병 연구';
@@ -27,10 +28,13 @@ class event_산저병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_상병연구.php b/hwe/sammo/Command/Nation/event_상병연구.php
index 4cbc72e0..9bbc5d6e 100644
--- a/hwe/sammo/Command/Nation/event_상병연구.php
+++ b/hwe/sammo/Command/Nation/event_상병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_상병연구 extends Command\NationCommand{
     static protected $actionName = '상병 연구';
@@ -27,10 +28,13 @@ class event_상병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_원융노병연구.php b/hwe/sammo/Command/Nation/event_원융노병연구.php
index 9bbfa19b..9ab70fe3 100644
--- a/hwe/sammo/Command/Nation/event_원융노병연구.php
+++ b/hwe/sammo/Command/Nation/event_원융노병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_원융노병연구 extends Command\NationCommand{
     static protected $actionName = '원융노병 연구';
@@ -27,10 +28,13 @@ class event_원융노병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_음귀병연구.php b/hwe/sammo/Command/Nation/event_음귀병연구.php
index 2636c114..63808979 100644
--- a/hwe/sammo/Command/Nation/event_음귀병연구.php
+++ b/hwe/sammo/Command/Nation/event_음귀병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_음귀병연구 extends Command\NationCommand{
     static protected $actionName = '음귀병 연구';
@@ -27,10 +28,13 @@ class event_음귀병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_화륜차연구.php b/hwe/sammo/Command/Nation/event_화륜차연구.php
index 0b303c80..e595962b 100644
--- a/hwe/sammo/Command/Nation/event_화륜차연구.php
+++ b/hwe/sammo/Command/Nation/event_화륜차연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_화륜차연구 extends Command\NationCommand{
     static protected $actionName = '화륜차 연구';
@@ -27,10 +28,13 @@ class event_화륜차연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;
diff --git a/hwe/sammo/Command/Nation/event_화시병연구.php b/hwe/sammo/Command/Nation/event_화시병연구.php
index 96b29e5e..4e2fbee4 100644
--- a/hwe/sammo/Command/Nation/event_화시병연구.php
+++ b/hwe/sammo/Command/Nation/event_화시병연구.php
@@ -11,6 +11,7 @@ use \sammo\JosaUtil;
 use sammo\Json;
 use sammo\LastTurn;
 use sammo\StaticEventHandler;
+use sammo\GameConst;
 
 class event_화시병연구 extends Command\NationCommand{
     static protected $actionName = '화시병 연구';
@@ -27,10 +28,13 @@ class event_화시병연구 extends Command\NationCommand{
 
         $name = static::$actionName;
 
+        [$reqGold, $reqRice] = $this->getCost();
         $this->minConditionConstraints = [
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::ReqNationAuxValue(static::$auxType->value, 0, "<", 1, "{$name}가 이미 완료되었습니다."),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold + $reqGold),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice + $reqRice),
         ];
 
         $this->fullConditionConstraints = $this->minConditionConstraints;