diff --git a/.phan/config.php b/.phan/config.php
index 68f08443..8e20fd17 100644
--- a/.phan/config.php
+++ b/.phan/config.php
@@ -15,7 +15,7 @@ return [
     // Note that the **only** effect of choosing `'5.6'` is to infer
     // that functions removed in php 7.0 exist.
     // (See `backward_compatibility_checks` for additional options)
-    "target_php_version" => '8.0',
+    "target_php_version" => '7.3',
     'backward_compatibility_checks ' => false,
     'minimum_severity'=>\Phan\Issue::SEVERITY_NORMAL,
 
diff --git a/hwe/b_betting.php b/hwe/b_betting.php
index d02e4ca0..cafa7f45 100644
--- a/hwe/b_betting.php
+++ b/hwe/b_betting.php
@@ -36,7 +36,7 @@ if ($con >= 2) {
 }
 
 switch ($admin['tnmt_type']) {
-default: throw new \RuntimeException('Invalid tnmt_type');break;
+default: throw new \RuntimeException('Invalid tnmt_type');
 case 0: $tnmt_type = "<font color=cyan>전력전</font>"; $tp = "total"; $tp2 = "종합"; $tp3 = "total"; break;
 case 1: $tnmt_type = "<font color=cyan>통솔전</font>"; $tp = "leadership"; $tp2 = "통솔"; $tp3 = "leadership"; break;
 case 2: $tnmt_type = "<font color=cyan>일기토</font>"; $tp = "strength"; $tp2 = "무력"; $tp3 = "strength"; break;
diff --git a/hwe/b_myPage.php b/hwe/b_myPage.php
index d02b07fa..6790093c 100644
--- a/hwe/b_myPage.php
+++ b/hwe/b_myPage.php
@@ -88,9 +88,9 @@ $me->applyDB($db);
 if($gameStor->turntime <= $gameStor->opentime){
     //서버 가오픈시 할 수 있는 행동
 
-    if($me['npc'] == 0){
+    if($me->getVar('npc') == 0){
         $showDieImmediatelyBtn = true;
-        if(addTurn($me['lastrefresh'], $gameStor->turnterm, 2) <= TimeUtil::DatetimeNow()){
+        if(addTurn($me->getVar('lastrefresh'), $gameStor->turnterm, 2) <= TimeUtil::now()){
             $availableDieImmediately = true;
         }
     }
diff --git a/hwe/c_die_immediately.php b/hwe/c_die_immediately.php
index f656a8c6..feb4f986 100644
--- a/hwe/c_die_immediately.php
+++ b/hwe/c_die_immediately.php
@@ -25,7 +25,7 @@ $gameStor->cacheValues(['turnterm', 'opentime', 'turntime', 'year', 'month']);
 
 if($gameStor->turntime <= $gameStor->opentime){
     //서버 가오픈시 할 수 있는 행동
-    if(addTurn($general['lastrefresh'], $gameStor->turnterm, 2) <= TimeUtil::DatetimeNow()){
+    if(addTurn($general['lastrefresh'], $gameStor->turnterm, 2) <= TimeUtil::now()){
         $availableDieImmediately = true;
     }
 }
diff --git a/hwe/func.php b/hwe/func.php
index 154157dd..a88eb99e 100644
--- a/hwe/func.php
+++ b/hwe/func.php
@@ -331,7 +331,7 @@ function checkSecretMaxPermission($penalty){
     return $secretMax;
 }
 
-function checkSecretPermission($me, $checkSecretLimit=true){
+function checkSecretPermission(array $me, $checkSecretLimit=true){
     if(!key_exists('penalty', $me) || !key_exists('permission', $me)){
         trigger_error ('canAccessSecret() 함수에 필요한 인자가 부족');
     }
@@ -1656,7 +1656,7 @@ function nextRuler(General $general) {
 
 
     if(!$candidate){
-        DeleteConflict($general['nation']);
+        DeleteConflict($general->getNationID());
         deleteNation($general);
         return;
     }
diff --git a/hwe/func_process.php b/hwe/func_process.php
index 1ce90896..fd4ab027 100644
--- a/hwe/func_process.php
+++ b/hwe/func_process.php
@@ -4,7 +4,7 @@ namespace sammo;
 /**
  * 내정 커맨드 사용시 성공 확률 계산
  * 
- * @param array $general 장수 정보
+ * @param General $general 장수 정보
  * @param string $type 내정 커맨드 타입, 'leadership' = 통솔 기반, 'strength' = 무력 기반, 'intel' = 지력 기반
  * 
  * @return array 계산된 실패, 성공 확률 ('success' => 성공 확률, 'fail' => 실패 확률)
diff --git a/hwe/func_tournament.php b/hwe/func_tournament.php
index 695f694e..ecd01a06 100644
--- a/hwe/func_tournament.php
+++ b/hwe/func_tournament.php
@@ -28,6 +28,7 @@ function processTournament() {
         case 5: $unit =  30; break;
         case 6: $unit =  15; break;
         case 7: $unit =   5; break;
+        default: throw new MustNotBeReachedException();
         }
 
         //업데이트 횟수
@@ -617,6 +618,7 @@ function finalFight($tnmt_type, $tnmt, $phase, $type) {
     case  8: $offset = 30; $turn = 3; $next = 8; break;
     case  4: $offset = 40; $turn = 1; $next = 9; break;
     case  2: $offset = 50; $turn = 0; $next = 0; break;
+    default: throw new MustNotBeReachedException();
     }
 
     $grp = $phase + $offset;
@@ -662,6 +664,7 @@ function setGift($tnmt_type, $tnmt, $phase) {
     case 1: $tp = "통솔전"; $tp2 = "tl"; break;
     case 2: $tp = "일기토"; $tp2 = "ts"; break;
     case 3: $tp = "설전";   $tp2 = "ti"; break;
+    default: throw new MustNotBeReachedException();
     }
 
     //16강자 명성 돈
@@ -1120,6 +1123,7 @@ function fight($tnmt_type, $tnmt, $phs, $group, $g1, $g2, $type) {
         $gen1resKey = 'd';
         $gen2resKey = 'd';
         break;
+    default: new MustNotBeReachedException();
     }
 
     $db->update('rank_data', [
diff --git a/hwe/j_diplomacy_destroy_letter.php b/hwe/j_diplomacy_destroy_letter.php
index 39bb5071..ca417cd7 100644
--- a/hwe/j_diplomacy_destroy_letter.php
+++ b/hwe/j_diplomacy_destroy_letter.php
@@ -86,7 +86,7 @@ if(in_array($stateOpt, ['try_destroy_src', 'try_destroy_dest'])){
         'aux'=>Json::encode($aux)
     ], 'no=%i', $letterNo);
     while(true){
-        $deleteLetter = $db->queryFirstRow('SELECT prev_no, aux FROM ng_diplomacy WHERE no = %i AND state = \'replaced\'', $currentLetterNo);
+        $deleteLetter = $db->queryFirstRow('SELECT prev_no, aux FROM ng_diplomacy WHERE no = %i AND state = \'replaced\'', $letterNo);
         if(!$deleteLetter){
             break;
         }
diff --git a/hwe/sammo/ActionNationType/che_덕가.php b/hwe/sammo/ActionNationType/che_덕가.php
index ddd668f4..7b0c486f 100644
--- a/hwe/sammo/ActionNationType/che_덕가.php
+++ b/hwe/sammo/ActionNationType/che_덕가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_덕가 extends \sammo\BaseNation{
 
@@ -30,10 +31,10 @@ class che_덕가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'rice'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_도가.php b/hwe/sammo/ActionNationType/che_도가.php
index 80221f39..30eeeb4e 100644
--- a/hwe/sammo/ActionNationType/che_도가.php
+++ b/hwe/sammo/ActionNationType/che_도가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_도가 extends \sammo\BaseNation{
 
@@ -25,7 +26,7 @@ class che_도가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_도적.php b/hwe/sammo/ActionNationType/che_도적.php
index 447da481..981f1f74 100644
--- a/hwe/sammo/ActionNationType/che_도적.php
+++ b/hwe/sammo/ActionNationType/che_도적.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_도적 extends \sammo\BaseNation{
 
@@ -29,7 +30,7 @@ class che_도적 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'gold'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_명가.php b/hwe/sammo/ActionNationType/che_명가.php
index 5063beaa..68bae153 100644
--- a/hwe/sammo/ActionNationType/che_명가.php
+++ b/hwe/sammo/ActionNationType/che_명가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_명가 extends \sammo\BaseNation{
 
@@ -26,10 +27,10 @@ class che_명가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'rice'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_법가.php b/hwe/sammo/ActionNationType/che_법가.php
index e18cf9fb..81d414d3 100644
--- a/hwe/sammo/ActionNationType/che_법가.php
+++ b/hwe/sammo/ActionNationType/che_법가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_법가 extends \sammo\BaseNation{
 
@@ -26,10 +27,10 @@ class che_법가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'gold'){
-            return $amount * 1.1;
+            return Util::toInt($amount * 1.1);
         }
         if($type == 'pop'){
-            return $amount * 0.8;
+            return Util::toInt($amount * 0.8);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_병가.php b/hwe/sammo/ActionNationType/che_병가.php
index 7a378809..8eff57ec 100644
--- a/hwe/sammo/ActionNationType/che_병가.php
+++ b/hwe/sammo/ActionNationType/che_병가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_병가 extends \sammo\BaseNation{
 
@@ -30,7 +31,7 @@ class che_병가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'pop'){
-            return $amount * 0.8;
+            return Util::toInt($amount * 0.8);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_불가.php b/hwe/sammo/ActionNationType/che_불가.php
index 425f6496..6fc210ae 100644
--- a/hwe/sammo/ActionNationType/che_불가.php
+++ b/hwe/sammo/ActionNationType/che_불가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_불가 extends \sammo\BaseNation{
 
@@ -25,7 +26,7 @@ class che_불가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'gold'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_오두미도.php b/hwe/sammo/ActionNationType/che_오두미도.php
index af564566..8b1dd72a 100644
--- a/hwe/sammo/ActionNationType/che_오두미도.php
+++ b/hwe/sammo/ActionNationType/che_오두미도.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_오두미도 extends \sammo\BaseNation{
 
@@ -30,10 +31,10 @@ class che_오두미도 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'rice'){
-            return $amount * 1.1;
+            return Util::toInt($amount * 1.1);
         }
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_유가.php b/hwe/sammo/ActionNationType/che_유가.php
index 1e024848..b427ce51 100644
--- a/hwe/sammo/ActionNationType/che_유가.php
+++ b/hwe/sammo/ActionNationType/che_유가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_유가 extends \sammo\BaseNation{
 
@@ -25,7 +26,7 @@ class che_유가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'rice'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_음양가.php b/hwe/sammo/ActionNationType/che_음양가.php
index db874f9d..45c3e3f4 100644
--- a/hwe/sammo/ActionNationType/che_음양가.php
+++ b/hwe/sammo/ActionNationType/che_음양가.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_음양가 extends \sammo\BaseNation{
 
@@ -26,7 +27,7 @@ class che_음양가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_종횡가.php b/hwe/sammo/ActionNationType/che_종횡가.php
index 361f5006..81030bc3 100644
--- a/hwe/sammo/ActionNationType/che_종횡가.php
+++ b/hwe/sammo/ActionNationType/che_종횡가.php
@@ -27,7 +27,7 @@ class che_종횡가 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'gold'){
-            return $amount * 0.9;
+            return Util::toInt($amount * 0.9);
         }
         
         return $amount;
diff --git a/hwe/sammo/ActionNationType/che_태평도.php b/hwe/sammo/ActionNationType/che_태평도.php
index 3f3b68cb..96f4d4bf 100644
--- a/hwe/sammo/ActionNationType/che_태평도.php
+++ b/hwe/sammo/ActionNationType/che_태평도.php
@@ -2,6 +2,7 @@
 namespace sammo\ActionNationType;
 use \sammo\iAction;
 use \sammo\General;
+use \sammo\Util;
 
 class che_태평도 extends \sammo\BaseNation{
 
@@ -30,7 +31,7 @@ class che_태평도 extends \sammo\BaseNation{
 
     public function onCalcNationalIncome(string $type, int $amount):int{
         if($type == 'pop'){
-            return $amount * 1.2;
+            return Util::toInt($amount * 1.2);
         }
         
         return $amount;
diff --git a/hwe/sammo/Command/BaseCommand.php b/hwe/sammo/Command/BaseCommand.php
index c8b0778f..fcca1f4a 100644
--- a/hwe/sammo/Command/BaseCommand.php
+++ b/hwe/sammo/Command/BaseCommand.php
@@ -14,10 +14,6 @@ use \sammo\Constraint\Constraint;
 use \sammo\Constraint\ConstraintHelper;
 
 abstract class BaseCommand{
-    /**
-     * @var General|null $generalObj
-     * @var General|null $destGeneralObj
-     */
     static protected $actionName = 'CommandName';
     static public $reqArg = false;
 
@@ -253,7 +249,7 @@ abstract class BaseCommand{
         return static::$actionName;
     }
 
-    public function getLogger():ActionLogger{
+    public function getLogger():?ActionLogger{
         return $this->logger;
     }
 
@@ -403,7 +399,6 @@ abstract class BaseCommand{
     }
     public function getForm():string{
         throw new \sammo\MustNotBeReachedException();
-        return '';
     }
 
     public function getLastTurn():LastTurn{
diff --git a/hwe/sammo/Command/General/che_상업투자.php b/hwe/sammo/Command/General/che_상업투자.php
index 7d785607..8c2e9d70 100644
--- a/hwe/sammo/Command/General/che_상업투자.php
+++ b/hwe/sammo/Command/General/che_상업투자.php
@@ -29,6 +29,8 @@ class che_상업투자 extends Command\GeneralCommand{
     static protected $actionName = '상업 투자';
     static protected $debuffFront = 0.5;
 
+    protected $reqGold;
+
     protected function argTest():bool{
         $this->arg = null;
         return true;
diff --git a/hwe/sammo/Command/General/che_정착장려.php b/hwe/sammo/Command/General/che_정착장려.php
index cfec8340..f35f9977 100644
--- a/hwe/sammo/Command/General/che_정착장려.php
+++ b/hwe/sammo/Command/General/che_정착장려.php
@@ -28,6 +28,8 @@ class che_정착장려 extends Command\GeneralCommand{
     static protected $actionKey = '인구';
     static protected $actionName = '정착 장려';
 
+    protected $reqRice;
+
     protected function argTest():bool{
         $this->arg = null;
         return true;
diff --git a/hwe/sammo/Command/General/che_주민선정.php b/hwe/sammo/Command/General/che_주민선정.php
index b7b00741..7373a82d 100644
--- a/hwe/sammo/Command/General/che_주민선정.php
+++ b/hwe/sammo/Command/General/che_주민선정.php
@@ -28,6 +28,8 @@ class che_주민선정 extends Command\GeneralCommand{
     static protected $actionKey = '민심';
     static protected $actionName = '주민 선정';
 
+    protected $reqRice;
+
     protected function argTest():bool{
         $this->arg = null;
         return true;
diff --git a/hwe/sammo/Command/General/che_징병.php b/hwe/sammo/Command/General/che_징병.php
index a45b485b..31913a39 100644
--- a/hwe/sammo/Command/General/che_징병.php
+++ b/hwe/sammo/Command/General/che_징병.php
@@ -24,9 +24,6 @@ use \sammo\Constraint\ConstraintHelper;
 
 
 class che_징병 extends Command\GeneralCommand{
-    /**
-     * @var \sammo\GameUnitDetail $reqCrewType
-     */
     static protected $actionName = '징병';
     static protected $costOffset = 1;
     static public $reqArg = true;
diff --git a/hwe/sammo/Command/Nation/che_물자원조.php b/hwe/sammo/Command/Nation/che_물자원조.php
index b59f6b6f..07408f8d 100644
--- a/hwe/sammo/Command/Nation/che_물자원조.php
+++ b/hwe/sammo/Command/Nation/che_물자원조.php
@@ -98,8 +98,8 @@ class che_물자원조 extends Command\NationCommand{
             ConstraintHelper::OccupiedCity(),
             ConstraintHelper::BeChief(),
             ConstraintHelper::SuppliedCity(),
-            ConstraintHelper::ReqNationGold(GameConst::$basegold+($goldAmount>0)?1:0),
-            ConstraintHelper::ReqNationRice(GameConst::$baserice+($riceAmount>0)?1:0),
+            ConstraintHelper::ReqNationGold(GameConst::$basegold+(($goldAmount>0)?1:0)),
+            ConstraintHelper::ReqNationRice(GameConst::$baserice+(($riceAmount>0)?1:0)),
             ConstraintHelper::ReqNationValue('surlimit', '외교제한', '==', 0, '외교제한중입니다.'),
             ConstraintHelper::ReqDestNationValue('surlimit', '외교제한', '==', 0, '상대국이 외교제한중입니다.'),
         ];
diff --git a/hwe/sammo/Constraint/AllowStrategicCommand.php b/hwe/sammo/Constraint/AllowStrategicCommand.php
index b8beeebb..c618b371 100644
--- a/hwe/sammo/Constraint/AllowStrategicCommand.php
+++ b/hwe/sammo/Constraint/AllowStrategicCommand.php
@@ -2,7 +2,7 @@
 
 namespace sammo\Constraint;
 
-class AllowWar extends Constraint{
+class AllowStrategicCommand extends Constraint{
     const REQ_VALUES = Constraint::REQ_NATION;
 
     public function checkInputValues(bool $throwExeception=true):bool{
diff --git a/hwe/sammo/Constraint/ExistsAllowJoinNation.php b/hwe/sammo/Constraint/ExistsAllowJoinNation.php
index ebfdfc3a..32168209 100644
--- a/hwe/sammo/Constraint/ExistsAllowJoinNation.php
+++ b/hwe/sammo/Constraint/ExistsAllowJoinNation.php
@@ -5,7 +5,7 @@ use \sammo\DB;
 use \sammo\GameConst;
 use \sammo\Json;
 
-class AllowJoinDestNation extends Constraint{
+class ExistsAllowJoinNation extends Constraint{
     const REQ_VALUES = Constraint::REQ_GENERAL|Constraint::REQ_ARRAY_ARG;
 
     protected $relYear;
diff --git a/hwe/sammo/Constraint/ReqCityValue.php b/hwe/sammo/Constraint/ReqCityValue.php
index 80d8be49..25f2f8a6 100644
--- a/hwe/sammo/Constraint/ReqCityValue.php
+++ b/hwe/sammo/Constraint/ReqCityValue.php
@@ -111,7 +111,9 @@ class ReqCityValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/Constraint/ReqDestCityValue.php b/hwe/sammo/Constraint/ReqDestCityValue.php
index d5b9fc10..76fddb2f 100644
--- a/hwe/sammo/Constraint/ReqDestCityValue.php
+++ b/hwe/sammo/Constraint/ReqDestCityValue.php
@@ -111,7 +111,9 @@ class ReqDestCityValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/Constraint/ReqDestNationValue.php b/hwe/sammo/Constraint/ReqDestNationValue.php
index 5de227d8..8369157d 100644
--- a/hwe/sammo/Constraint/ReqDestNationValue.php
+++ b/hwe/sammo/Constraint/ReqDestNationValue.php
@@ -111,7 +111,9 @@ class ReqDestNationValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/Constraint/ReqGeneralValue.php b/hwe/sammo/Constraint/ReqGeneralValue.php
index 8ed7453e..079531d2 100644
--- a/hwe/sammo/Constraint/ReqGeneralValue.php
+++ b/hwe/sammo/Constraint/ReqGeneralValue.php
@@ -89,7 +89,9 @@ class ReqGeneralValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/Constraint/ReqNationAuxValue.php b/hwe/sammo/Constraint/ReqNationAuxValue.php
index 73b18ac7..5a896278 100644
--- a/hwe/sammo/Constraint/ReqNationAuxValue.php
+++ b/hwe/sammo/Constraint/ReqNationAuxValue.php
@@ -135,7 +135,9 @@ class ReqNationAuxValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/Constraint/ReqNationValue.php b/hwe/sammo/Constraint/ReqNationValue.php
index 5d701f81..dedb35f4 100644
--- a/hwe/sammo/Constraint/ReqNationValue.php
+++ b/hwe/sammo/Constraint/ReqNationValue.php
@@ -111,7 +111,9 @@ class ReqNationValue extends Constraint{
                 return '부족합니다.';
             },
             '>'=>function($target, $src){
-                return $target > $src;
+                if($target > $src){
+                    return true;
+                }
                 if($src == 0){
                     return '없습니다';
                 }
diff --git a/hwe/sammo/General.php b/hwe/sammo/General.php
index 2043a56c..8141187f 100644
--- a/hwe/sammo/General.php
+++ b/hwe/sammo/General.php
@@ -8,15 +8,6 @@ use sammo\WarUnitTrigger as WarUnitTrigger;
 class General implements iAction{
     use LazyVarUpdater;
 
-    /**
-     * @var iAction $nationType
-     * @var iAction $officerLevelObj
-     * @var iAction $specialDomesticObj
-     * @var iAction $specialWarObj
-     * @var iAction $personalityObj
-     * @var iAction[] $itemObjs
-     */
-
     protected $raw = [];
     protected $rawCity = null;
 
@@ -32,11 +23,17 @@ class General implements iAction{
     protected $logActivatedSkill = [];
     protected $isFinished = false;
 
+    /** @var iAction */
     protected $nationType = null;
+    /** @var iAction */
     protected $officerLevelObj = null;
+    /** @var iAction */
     protected $specialDomesticObj = null;
+    /** @var iAction */
     protected $specialWarObj = null;
+    /** @var iAction */
     protected $personalityObj = null;
+    /** @var iAction[] */
     protected $itemObjs = [];
 
     protected $lastTurn = null;
@@ -79,8 +76,8 @@ class General implements iAction{
     /**
      * @param array $raw DB row값.
      * @param null|array $city DB city 테이블의 row값
-     * @param int $year 게임 연도
-     * @param int $month 게임 월
+     * @param int|null $year 게임 연도
+     * @param int|null $month 게임 월
      * @param bool $fullConstruct iAction, 및 ActionLogger 초기화 여부, false인 경우 no, name, city, nation, officer_level 정도로 초기화 가능
      */
     public function __construct(array $raw, ?array $rawRank, ?array $city, ?array $nation, ?int $year, ?int $month, bool $fullConstruct=true){
@@ -270,7 +267,11 @@ class General implements iAction{
     }
 
     function getCrewTypeObj():GameUnitDetail{
-        return GameUnitConst::byID($this->getVar('crewtype'));
+        $crewType = GameUnitConst::byID($this->getVar('crewtype'));
+        if($crewType === null){
+            throw new \InvalidArgumentException('Invalid CrewType:'.$this->getVar('crewtype'));
+        }
+        return $crewType;
     }
 
     function calcRecentWarTurn(int $turnTerm):int{
@@ -292,7 +293,7 @@ class General implements iAction{
             return 0;
         }
 
-        $result = intdiv($secDiff, 60 * $turnTerm);
+        $result = intdiv(Util::toInt($secDiff), 60 * $turnTerm);
         $this->calcCache[$cacheKey] = $result;
         return $result;
     }
diff --git a/hwe/sammo/GeneralAI.php b/hwe/sammo/GeneralAI.php
index 4c6bfc8e..45a83d8b 100644
--- a/hwe/sammo/GeneralAI.php
+++ b/hwe/sammo/GeneralAI.php
@@ -8,9 +8,7 @@ use sammo\Scenario\NPC;
 
 class GeneralAI
 {
-    /**
-     * @var General $general
-     */
+    /** @var General */
     protected $general;
     /** @var array */
     protected $city;
@@ -92,8 +90,12 @@ class GeneralAI
         if ($general->getRawCity() === null) {
             $city = $db->queryFirstRow('SELECT * FROM city WHERE city = %i', $general->getCityID());
             $general->setRawCity($city);
+            $this->city = $city;
         }
-        $this->city = $general->getRawCity();
+        else{
+            $this->city = $general->getRawCity();
+        }
+        
         $this->nation = $db->queryFirstRow(
             'SELECT nation,name,color,capital,capset,gennum,gold,rice,bill,rate,rate_tmp,scout,war,strategic_cmd_limit,surlimit,tech,power,level,l12set,l11set,l10set,l9set,l8set,l7set,l6set,l5set,type,aux FROM nation WHERE nation = %i',
             $general->getNationID()
@@ -496,7 +498,7 @@ class GeneralAI
             return null;
         }
 
-        $turnList = General::getReservedTurnByGeneralList(array_keys($generalCadidates), 0, $this->env);
+        $turnList = General::getReservedTurnByGeneralList($generalCadidates, 0, $this->env);
         $generalCadidates = array_filter($generalCadidates, function(General $general)use($turnList){
             $generalID = $general->getID();
             if($turnList[$generalID] instanceof Command\General\che_징병){
@@ -2898,8 +2900,6 @@ class GeneralAI
                 'amount' => GameConst::$maxResourceActionAmount
             ]);
         }
-
-        return null;
     }
 
     protected function do중립(): GeneralCommand
@@ -3205,6 +3205,9 @@ class GeneralAI
                 return $reservedCommand;
             }
             $result = $this->do집합();
+            if(!$result){
+                throw new MustNotBeReachedException();
+            }
             $result->reason='do집합';
             return $result;
         }
diff --git a/hwe/sammo/LazyVarUpdater.php b/hwe/sammo/LazyVarUpdater.php
index 8a7a7768..22bd55cb 100644
--- a/hwe/sammo/LazyVarUpdater.php
+++ b/hwe/sammo/LazyVarUpdater.php
@@ -4,6 +4,7 @@ namespace sammo;
 trait LazyVarUpdater{
     protected $raw = [];
     protected $updatedVar = [];
+    protected $auxVar = null;
     protected $auxUpdated = false;
 
     function getRaw(bool $extractAux=false):array{
diff --git a/hwe/sammo/MessageTarget.php b/hwe/sammo/MessageTarget.php
index 38878bff..c8ec7ba5 100644
--- a/hwe/sammo/MessageTarget.php
+++ b/hwe/sammo/MessageTarget.php
@@ -38,7 +38,7 @@ class MessageTarget extends Target {
     public static function buildFromArray($arr)
     {
         if(!$arr){
-            return null;
+            throw new \InvalidArgumentException();
         }
         if(!Util::array_get($arr['nation_id'])){
             $arr['nation'] = '재야';
@@ -71,7 +71,7 @@ class MessageTarget extends Target {
         ) = $db->queryFirstList('SELECT `name`, nation, imgsvr, picture FROM general WHERE `no`=%i', $generalID); 
 
         if($generalName === null){
-            return null;
+            throw new \RuntimeException('장수가 없음:'.$generalID);
         }
 
         $icon = GetImageURL($imgsvr, $picture);
diff --git a/hwe/sammo/TextDecoration/DyingMessage.php b/hwe/sammo/TextDecoration/DyingMessage.php
index 4578ed45..da073a55 100644
--- a/hwe/sammo/TextDecoration/DyingMessage.php
+++ b/hwe/sammo/TextDecoration/DyingMessage.php
@@ -6,6 +6,7 @@ use \sammo\Util;
 use \sammo\JosaUtil;
 
 class DyingMessage{
+    private $general;
     private $name;
     private $realName;
     private $npc;
diff --git a/hwe/sammo/TurnExecutionHelper.php b/hwe/sammo/TurnExecutionHelper.php
index 015699d9..7135e18f 100644
--- a/hwe/sammo/TurnExecutionHelper.php
+++ b/hwe/sammo/TurnExecutionHelper.php
@@ -4,9 +4,7 @@ namespace sammo;
 use \Symfony\Component\Lock;
 class TurnExecutionHelper
 {
-    /**
-     * @var General $generalObj;
-     */
+    /** @var General*/
     protected $generalObj;
 
     public function __construct(General $general)
@@ -267,17 +265,16 @@ WHERE turntime < %s ORDER BY turntime ASC, `no` ASC',
             }
 
             $autorunMode = false;
-            $tryAutorun = false;
+            $ai = null;
 
             if($general->getVar('npc') >= 2 || ($autorun_user['limit_minutes']??false)){
-                $tryAutorun = true;
                 $ai = new GeneralAI($turnObj->getGeneral());
             }
             
             if(!$turnObj->processBlocked()){
                 $turnObj->preprocessCommand();
                 if($hasNationTurn){
-                    if($tryAutorun){
+                    if($ai){
                         $nationCommandObj = $ai->chooseNationTurn($nationCommandObj);
                         LogText("NationTurn", "General, {$general->getName()}, {$general->getID()}, {$general->getStaticNation()['name']}, {$nationCommandObj->getBrief()}, {$nationCommandObj->reason}, ");
                     }
@@ -287,7 +284,7 @@ WHERE turntime < %s ORDER BY turntime ASC, `no` ASC',
                     $nationStor->setValue($lastNationTurnKey, $resultNationTurn->toJson());
                 }
 
-                if($tryAutorun){
+                if($ai){
                     $newGeneralCommandObj = $ai->chooseGeneralTurn($generalCommandObj); // npc AI 처리
                     if($generalCommandObj !== $newGeneralCommandObj){
                         $autorunMode = true;
@@ -347,7 +344,7 @@ WHERE turntime < %s ORDER BY turntime ASC, `no` ASC',
         $prevTurn = cutTurn($gameStor->turntime, $gameStor->turnterm);
         $nextTurn = addTurn($prevTurn, $gameStor->turnterm);
 
-        $maxActionTime = ini_get('max_execution_time');
+        $maxActionTime = Util::toInt(ini_get('max_execution_time'));
         if($maxActionTime == 0){
             $maxActionTime = 60;
         }
diff --git a/hwe/sammo/WarUnit.php b/hwe/sammo/WarUnit.php
index b49fcb41..31818347 100644
--- a/hwe/sammo/WarUnit.php
+++ b/hwe/sammo/WarUnit.php
@@ -143,7 +143,11 @@ class WarUnit{
     }
 
     function getLogger():ActionLogger{
-        return $this->getGeneral()->getLogger();
+        $logger = $this->getGeneral()->getLogger();
+        if($logger === null){
+            throw new \RuntimeException();
+        }
+        return $logger;
     }
 
     function getKilled():int{
diff --git a/hwe/sammo/WarUnitCity.php b/hwe/sammo/WarUnitCity.php
index 1a051513..c721f9ef 100644
--- a/hwe/sammo/WarUnitCity.php
+++ b/hwe/sammo/WarUnitCity.php
@@ -149,7 +149,7 @@ class WarUnitCity extends WarUnit{
     }
     
 
-    function applyDB($db):bool{
+    function applyDB(\MeekroDB $db):bool{
         $updateVals = $this->getUpdatedValues();
         $this->getLogger()->rollback(); //수비 도시의 로그는 기록하지 않음
 
diff --git a/hwe/sammo/WarUnitGeneral.php b/hwe/sammo/WarUnitGeneral.php
index 0e394a17..42f5ea3c 100644
--- a/hwe/sammo/WarUnitGeneral.php
+++ b/hwe/sammo/WarUnitGeneral.php
@@ -2,6 +2,8 @@
 namespace sammo;
 
 class WarUnitGeneral extends WarUnit{
+    protected $raw;
+    
     function __construct(General $general, array $rawNation, bool $isAttacker){
         $this->general = $general;
         $this->raw = $general->getRaw();
@@ -301,10 +303,7 @@ class WarUnitGeneral extends WarUnit{
         $this->checkStatChange();
     }
 
-    /**
-     * @param \MeekroDB $db
-     */
-    function applyDB($db):bool{
+    function applyDB(\MeekroDB $db):bool{
         $affected = $this->getGeneral()->applyDB($db);
         $this->getLogger()->flush();
         return $affected;
diff --git a/src/sammo/KVStorage.php b/src/sammo/KVStorage.php
index 8f7eabbd..56597638 100644
--- a/src/sammo/KVStorage.php
+++ b/src/sammo/KVStorage.php
@@ -1,6 +1,8 @@
 <?php
 namespace sammo;
 
+use MeekroDBException;
+
 class KVStorage{
     private $db;
     private $tableName;
@@ -31,7 +33,7 @@ class KVStorage{
     }
     
     public function __set($key, $value) {
-        return $this->setValue($key, $value);
+        $this->setValue($key, $value);
     }
 
     public function __unset($key){
@@ -63,7 +65,9 @@ class KVStorage{
     }
 
     public function invalidateCacheValue($key):self{
-        $key = mb_strtolower($key);
+        if(is_string($key)){
+            $key = mb_strtolower($key);
+        }
         if($this->cacheData === null){
             return $this;
         }
@@ -192,8 +196,15 @@ class KVStorage{
         return $result;
     }
 
+    /**
+     * @param string|int $key 
+     * @param bool $onlyCache 
+     * @return mixed|null 
+     */
     public function getValue($key, bool $onlyCache=false){
-        $key = mb_strtolower($key);
+        if(is_string($key)){
+            $key = mb_strtolower($key);
+        }
         if($this->cacheData !== null && ($onlyCache || key_exists($key, $this->cacheData))){
             return $this->cacheData[$key] ?? null;
         }
@@ -205,8 +216,17 @@ class KVStorage{
         return $value;
     }
 
+    /**
+     * 
+     * @param string|int $key 
+     * @param mixed $value 
+     * @return KVStorage 
+     * @throws MeekroDBException 
+     */
     public function setValue($key, $value):self{
-        $key = mb_strtolower($key);
+        if(is_string($key)){
+            $key = mb_strtolower($key);
+        }
         if($value === null){
             return $this->deleteValue($key);
         }
@@ -217,8 +237,17 @@ class KVStorage{
         return $this->setDBValue($key, $value);
     }
 
+    /**
+     * 
+     * @param string|int $key 
+     * @param mixed $value 
+     * @return KVStorage 
+     * @throws MeekroDBException 
+     */
     public function deleteValue($key):self{
-        $key = mb_strtolower($key);
+        if(is_string($key)){
+            $key = mb_strtolower($key);
+        }
         if(isset($this->cacheData[$key])){
             unset($this->cacheData[$key]);
         }
diff --git a/src/sammo/Session.php b/src/sammo/Session.php
index ef29cba1..c0689e49 100644
--- a/src/sammo/Session.php
+++ b/src/sammo/Session.php
@@ -52,9 +52,9 @@ class Session
     public function restart(): Session
     {
         //NOTE: logout 프로세스는 아예 세션을 날려버리기도 하므로, 항상 안전하게 session_restart가 가능함을 보장하지 않음.
-        ini_set('session.use_only_cookies', false);
-        ini_set('session.use_cookies', false);
-        ini_set('session.use_trans_sid', false);
+        ini_set('session.use_only_cookies', 'false');
+        ini_set('session.use_cookies', 'false');
+        ini_set('session.use_trans_sid', 'false');
         ini_set('session.cache_limiter', "none");
         session_id($this->sessionID);
         session_start(); // second session_start
diff --git a/src/sammo/TimeUtil.php b/src/sammo/TimeUtil.php
index 0f62231a..46881e14 100644
--- a/src/sammo/TimeUtil.php
+++ b/src/sammo/TimeUtil.php
@@ -76,13 +76,13 @@ class TimeUtil
         return date('H:i:s', strtotime('00:00:00') + $second);
     }
 
-    public static function today()
+    public static function today():string
     {
         $obj = new \DateTime();
         return $obj->format('Y-m-d');
     }
 
-    public static function now(bool $withFraction=false)
+    public static function now(bool $withFraction=false):string
     {
         $obj = new \DateTime();
         if(!$withFraction){
@@ -91,7 +91,7 @@ class TimeUtil
         return $obj->format('Y-m-d H:i:s.u');
     }
 
-    public static function nowAddDays($day, bool $withFraction=false)
+    public static function nowAddDays($day, bool $withFraction=false):string
     {
         $obj = new \DateTime();
         $obj->add(static::secondsToDateInterval($day * 3600 * 24));
@@ -101,7 +101,7 @@ class TimeUtil
         return $obj->format('Y-m-d H:i:s.u');
     }
 
-    public static function nowAddHours($hour, bool $withFraction=false)
+    public static function nowAddHours($hour, bool $withFraction=false):string
     {
         $obj = new \DateTime();
         $obj->add(static::secondsToDateInterval($hour * 3600));
@@ -111,7 +111,7 @@ class TimeUtil
         return $obj->format('Y-m-d H:i:s.u');
     }
 
-    public static function nowAddMinutes($minute, bool $withFraction=false)
+    public static function nowAddMinutes($minute, bool $withFraction=false):string
     {
         $obj = new \DateTime();
         $obj->add(static::secondsToDateInterval($minute * 60));
@@ -121,7 +121,7 @@ class TimeUtil
         return $obj->format('Y-m-d H:i:s.u');
     }
 
-    public static function nowAddSeconds($second, bool $withFraction=false)
+    public static function nowAddSeconds($second, bool $withFraction=false):string
     {
         $obj = new \DateTime();
         $obj->add(static::secondsToDateInterval($second));
diff --git a/src/sammo/Util.php b/src/sammo/Util.php
index 83e8d64c..19705e75 100644
--- a/src/sammo/Util.php
+++ b/src/sammo/Util.php
@@ -567,7 +567,7 @@ class Util extends \utilphp\util
      * 
      * @param array $array 배열. 1차원 배열 또는 2차원 배열
      * @param int|string|null $key 2차원 배열에서 참조할 키.
-     * @return int|float 합계
+     * @return array
      */
     public static function arrayGroupBy(array $array, $key, bool $preserveRowKey=false) {
         $result = array();