diff --git a/hwe/func_npc.php b/hwe/func_npc.php
index 1db6816e..c117f548 100644
--- a/hwe/func_npc.php
+++ b/hwe/func_npc.php
@@ -1008,7 +1008,7 @@ function NPCStaffWork($general, $nation, $dipState){
                 $isWarUser = true;
                 break;
             }
-            if(Util::randF(0.2)){
+            if(Util::randBool(0.2)){
                 $isWarUser = false;
                 break;
             }
@@ -1206,7 +1206,7 @@ function NPCStaffWork($general, $nation, $dipState){
                 $score *= 4;
             }
     
-            if(Util::randF(0.3) && $frontImportantCitiesID){
+            if(Util::randBool(0.3) && $frontImportantCitiesID){
                 $targetCityID = Util::choiceRandom($frontImportantCitiesID);
             }
             else{
@@ -1262,7 +1262,7 @@ function NPCStaffWork($general, $nation, $dipState){
                 if($targetCity['pop'] < 33000 + $nationGeneral['leader']){
                     continue;
                 }
-                if (Util::randF($targetCity['pop'] / $targetCity['pop2'])) {
+                if (Util::randBool($targetCity['pop'] / $targetCity['pop2'])) {
                     break;
                 }
             }
diff --git a/hwe/process_war.php b/hwe/process_war.php
index d9d9be1f..359c1a06 100644
--- a/hwe/process_war.php
+++ b/hwe/process_war.php
@@ -602,14 +602,14 @@ function processWar($general, $city) {
             //특기보정 : 저격(수극), 활무기저격
             $snipe = false;
             $snipeItem = false;
-            if(!$snipe && $general['special2'] == 70 && Util::randF(1/3)){
+            if(!$snipe && $general['special2'] == 70 && Util::randBool(1/3)){
                 $snipe = true;
             }
-            if(!$snipe && in_array($general['weap'], [10, 14, 18, 22]) && Util::randF(1/5)){
+            if(!$snipe && in_array($general['weap'], [10, 14, 18, 22]) && Util::randBool(1/5)){
                 $snipe = true;
             }
             if(!$snipe && $general['item'] == 2){
-                if(Util::randF(1/5)){
+                if(Util::randBool(1/5)){
                     $snipe = true;
                     $snipeItem = true;
                 }
@@ -642,14 +642,14 @@ function processWar($general, $city) {
             //특기보정 : 저격(수극), 활무기저격
             $snipe = false;
             $snipeItem = false;
-            if(!$snipe && $oppose['special2'] == 70 && Util::randF(1/3)){
+            if(!$snipe && $oppose['special2'] == 70 && Util::randBool(1/3)){
                 $snipe = true;
             }
-            if(!$snipe && in_array($oppose['weap'], [10, 14, 18, 22]) && Util::randF(1/5)){
+            if(!$snipe && in_array($oppose['weap'], [10, 14, 18, 22]) && Util::randBool(1/5)){
                 $snipe = true;
             }
             if(!$snipe && $oppose['item'] == 2){
-                if(Util::randF(1/5)){
+                if(Util::randBool(1/5)){
                     $snipe = true;
                     $snipeItem = true;
                 }