diff --git a/f_install/templates/common.orig.css b/f_install/templates/common.orig.css
index 73e7647b..506e4a6a 100644
--- a/f_install/templates/common.orig.css
+++ b/f_install/templates/common.orig.css
@@ -115,6 +115,32 @@
     background-size: 700px 500px;
 }
 
+/*미니체 지도*/
+.map_theme_miniche_clean.map_spring .map_bglayer1{
+    background: url('_tK_gameImagePath_/map/che/bg_spring.jpg') no-repeat;
+    background-size: 700px 500px;
+}
+
+.map_theme_miniche_clean.map_summer .map_bglayer1{
+    background: url('_tK_gameImagePath_/map/che/bg_summer.jpg') no-repeat;
+    background-size: 700px 500px;
+}
+
+.map_theme_miniche_clean.map_fall .map_bglayer1{
+    background: url('_tK_gameImagePath_/map/che/bg_fall.jpg') no-repeat;
+    background-size: 700px 500px;
+}
+
+.map_theme_miniche_clean.map_winter .map_bglayer1{
+    background: url('_tK_gameImagePath_/map/che/bg_winter.jpg') no-repeat;
+    background-size: 700px 500px;
+}
+
+.map_theme_miniche_clean .map_bgroad{
+    background: url('_tK_gameImagePath_/map/che/miniche_road.png') no-repeat;
+    background-size: 700px 500px;
+}
+
 /*루드라사움 지도*/
 .map_theme_ludo_rathowm .map_bglayer1{
     background: url('_tK_gameImagePath_/map/ludo_rathowm/back.jpg') no-repeat;
diff --git a/hwe/func.php b/hwe/func.php
index 14345068..77d81ad2 100644
--- a/hwe/func.php
+++ b/hwe/func.php
@@ -800,7 +800,7 @@ function CoreCommandTable() {
     commandGroup("====== 특 수 ======");
     addCommand("초토화", 65, $valid);
     addCommand("천도/3턴(금쌀{$develcost}0)", 66, $valid);
-    $cost = $develcost * 500 + 60000;   // 7만~13만
+    $cost = $develcost * GameConst::$expandCityCostCoef + GameConst::$expandCityDefaultCost;   // 7만~13만
     addCommand("증축/6턴(금쌀{$cost})", 67, $valid);
     addCommand("감축/6턴", 68, $valid);
     commandGroup("", 1);
diff --git a/hwe/func_process_chief.php b/hwe/func_process_chief.php
index 95e52b79..599cb7c0 100644
--- a/hwe/func_process_chief.php
+++ b/hwe/func_process_chief.php
@@ -1078,7 +1078,7 @@ function process_67(&$general) {
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $destcity = MYDB_fetch_array($result);
 
-    $amount = $admin['develcost'] * 500 + 60000;   // 7만~13만
+    $amount = $admin['develcost'] * GameConst::$expandCityCostCoef + GameConst::$expandCityDefaultCost;   // 7만~13만
 
     $code = $nation["l{$general['level']}term"];
     if($code%100 == 67) {
@@ -1180,7 +1180,7 @@ function process_68(&$general) {
     $result = MYDB_query($query, $connect) or Error(__LINE__.MYDB_error($connect),"");
     $destcity = MYDB_fetch_array($result);
 
-    $amount = $admin['develcost'] * 500 + 30000;   // 4만~10만
+    $amount = $admin['develcost'] * GameConst::$expandCityCostCoef + GameConst::$expandCityDefaultCost / 2;   // 4만~10만
 
     $code = $nation["l{$general['level']}term"];
     if($code%100 == 68) {
diff --git a/hwe/sammo/GameConstBase.php b/hwe/sammo/GameConstBase.php
index 692e98dd..590bd212 100644
--- a/hwe/sammo/GameConstBase.php
+++ b/hwe/sammo/GameConstBase.php
@@ -82,6 +82,10 @@ class GameConstBase
     public static $expandCityDevelIncreaseAmount = 2000;
     /** @var int 증축시 성벽 증가량 */
     public static $expandCityWallIncreaseAmount = 2000;
+    /** @var int 증축시 최소 비용 */
+    public static $expandCityDefaultCost = 60000;
+    /** @var int 증축시 비용 계수 */
+    public static $expandCityCostCoef = 500;
 
     /** @var int 초기 제한시 장수 제한 */
     public static $initialNationGenLimitForRandInit = 3;
diff --git a/hwe/scenario/map/miniche_clean.php b/hwe/scenario/map/miniche_clean.php
new file mode 100644
index 00000000..7598a94a
--- /dev/null
+++ b/hwe/scenario/map/miniche_clean.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace sammo;
+
+class CityConst extends CityConstBase{
+    protected static $initCity = [
+        //id, 도시,   규모,    상, 치, 성, 수,(x100)지역, x,  y, 연결도시
+        [1,  '낙양',   '소', 4163, 57, 60, 40, 61, 64, '중원', 285, 176, ['하내', '홍농', '호로']], 
+        [2,  '성도',   '소', 3247, 63, 65, 40, 65, 63, '서촉',  30, 285, ['덕양', '강주']], 
+        [3,  '건업',   '소', 3178, 56, 63, 40, 55, 59, '오월', 507, 303, ['광릉', '합비', '오']], 
+        [4,  '업',     '소', 3087, 65, 53, 40, 57, 62, '하북', 355, 135, ['하내', '거록', '남피', '제남', '진류']], 
+        [5,  '장안',   '소', 2946, 56, 63, 40, 60, 58, '서북', 162, 173, ['안정', '오장원', '한중', '홍농']], 
+        [6,  '허창',   '소', 2923, 61, 64, 40, 57, 65, '중원', 325, 218, ['호로', '진류', '초', '여남', '완']], 
+        [7,  '양양',   '소', 2903, 60, 66, 40, 55, 57, '초',   259, 295, ['신야', '강릉', '강하']], 
+        [8,  '시상',   '소', 3116, 58, 60, 40, 59, 56, '오월', 357, 357, ['적벽', '여강', '단양', '상동', '장사']], 
+        [9,  '수춘',   '소', 3061, 59, 56, 40, 59, 55, '중원', 385, 270, ['여남', '초', '하비', '합비']], 
+        [10, '한중',   '소', 3058, 56, 61, 40, 62, 63, '서촉', 130, 218, ['무도', '오장원', '장안', '상용', '자동']], 
+        [11, '남피',   '소', 3006, 59, 61, 40, 61, 65, '하북', 410,  93, ['계', '북평', '평원', '업', '거록']], 
+        [12, '위례',   '소', 2953, 60, 53, 40, 58, 63, '동이', 618, 140, ['평양', '북해', '웅진', '계림']], 
+        [13, '북평',   '소', 2921, 62, 55, 40, 63, 59, '하북', 442,  53, ['계', '요동', '남피']], 
+        [14, '강릉',   '소', 2915, 65, 56, 40, 55, 56, '초',   245, 330, ['이릉', '양양', '적벽', '장사', '무릉']], 
+        [15, '완',     '소', 2852, 63, 60, 40, 61, 59, '중원', 275, 235, ['허창', '여남', '신야']], 
+        [16, '장사',   '소', 2845, 57, 59, 40, 60, 65, '초',   258, 373, ['강릉', '시상', '계양', '무릉']], 
+        [17, '오',     '소', 3172, 57, 61, 40, 57, 56, '오월', 515, 340, ['건업', '단양', '회계', '탐라']], 
+        [18, '하비',   '소', 3134, 65, 63, 40, 62, 58, '중원', 460, 240, ['패', '북해', '광릉', '수춘']], 
+        [19, '복양',   '소', 3087, 60, 63, 40, 62, 60, '중원', 412, 170, ['제남', '진류', '패']], 
+        [20, '웅진',   '소', 3073, 57, 59, 40, 58, 60, '동이', 615, 205, ['위례', '계림', '탐라']], 
+        [21, '강주',   '소', 3058, 59, 60, 40, 64, 61, '서촉',  75, 305, ['성도', '덕양', '영안', '주제', '월수']], 
+        [22, '무도',   '소', 3008, 57, 64, 40, 60, 65, '서촉',  55, 191, ['저', '한중', '자동']], 
+        [23, '국내',   '소', 2986, 58, 60, 40, 63, 58, '동이', 596,  48, ['요동', '오환', '평양']], 
+        [24, '진류',   '소', 2973, 62, 60, 40, 60, 63, '중원', 370, 175, ['업', '복양', '패', '초', '허창', '호로']], 
+        [25, '계양',   '소', 2972, 63, 60, 40, 61, 57, '초',   242, 408, ['영릉', '장사', '상동']], 
+        [26, '계림',   '소', 2950, 60, 54, 40, 61, 58, '동이', 660, 195, ['위례', '웅진', '왜']], 
+        [27, '계',     '소', 2937, 55, 60, 40, 58, 61, '하북', 386,  55, ['진양', '북평', '남피']], 
+        [28, '무위',   '소', 2932, 57, 59, 40, 63, 60, '서북',  56,  76, ['강', '안정', '천수', '저']], 
+        [29, '제남',   '소', 2910, 57, 61, 40, 64, 57, '하북', 402, 132, ['업', '평원', '복양']], 
+        [30, '남해',   '소', 2896, 62, 56, 40, 60, 61, '오월', 270, 474, ['상동', '산월', '교지']], 
+        [31, '덕양',   '소', 2896, 61, 64, 40, 59, 57, '서촉',  73, 276, ['자동', '영안', '강주', '성도']], 
+        [32, '하내',   '소', 2863, 57, 61, 40, 61, 60, '하북', 295, 140, ['진양', '업', '낙양', '하동']], 
+        [33, '상용',   '소', 2838, 58, 56, 40, 57, 61, '서촉', 190, 220, ['한중', '신야']], 
+        [34, '초',     '소', 3286, 60, 62, 40, 62, 57, '중원', 375, 225, ['허창', '진류', '패', '수춘', '여남']], 
+        [35, '운남',   '소', 3258, 62, 60, 40, 64, 61, '남중',  45, 405, ['월수', '건녕', '남만']], 
+        [36, '소',     '소', 3256, 60, 62, 40, 57, 60, '오월', 450, 470, ['산월', '회계', '왜']], 
+        [37, '하동',   '소', 3208, 60, 60, 40, 62, 55, '서북', 240, 140, ['흉노', '진양', '하내', '홍농']], 
+        [38, '무릉',   '소', 3196, 58, 63, 40, 63, 58, '초',   195, 352, ['강릉', '장사', '영릉']], 
+        [39, '교지',   '소', 3195, 58, 59, 40, 58, 59, '남중', 136, 480, ['남만', '남해']], 
+        [40, '단양',   '소', 3183, 62, 64, 40, 58, 57, '오월', 440, 350, ['여강', '오', '건안', '시상']], 
+        [41, '영안',   '소', 3153, 62, 59, 40, 58, 59, '서촉', 116, 282, ['덕양', '이릉', '강주']], 
+        [42, '북해',   '소', 3146, 55, 63, 40, 63, 58, '하북', 470, 150, ['평원', '위례', '하비']], 
+        [43, '합비',   '진',  998, 20, 19, 20, 39, 41, '중원', 420, 294, ['수춘', '건업', '여강']], 
+        [44, '이릉',   '진',  968, 18, 19, 20, 39, 41, '초',   188, 275, ['영안', '강릉']], 
+        [45, '건녕',   '소', 3082, 58, 59, 40, 63, 56, '남중',  85, 390, ['주제', '장가', '운남']], 
+        [46, '강하',   '소', 3074, 55, 56, 40, 57, 60, '초',   320, 299, ['양양', '적벽', '여강']], 
+        [47, '진양',   '소', 3074, 56, 59, 40, 64, 59, '하북', 310,  75, ['흉노', '하동', '하내', '거록', '계']], 
+        [48, '평원',   '소', 3074, 62, 65, 40, 61, 63, '하북', 445, 110, ['남피', '제남', '북해']], 
+        [49, '회계',   '소', 3005, 64, 59, 40, 62, 64, '오월', 485, 390, ['오', '건안', '소']], 
+        [50, '천수',   '소', 2985, 59, 64, 40, 60, 58, '서북',  76, 140, ['무위', '안정', '오장원', '저']], 
+        [51, '평양',   '소', 2939, 55, 59, 40, 60, 58, '동이', 606,  97, ['국내', '위례']], 
+        [52, '요동',   '소', 2937, 63, 59, 40, 59, 63, '동이', 549,  26, ['북평', '오환', '국내']], 
+        [53, '거록',   '소', 2936, 61, 57, 40, 64, 58, '하북', 355,  95, ['진양', '남피', '업']], 
+        [54, '여강',   '소', 2905, 56, 58, 40, 60, 55, '오월', 392, 325, ['합비', '단양', '시상', '강하']], 
+        [55, '패',     '소', 2877, 64, 58, 40, 58, 59, '중원', 425, 210, ['진류', '복양', '하비', '초']], 
+        [56, '자동',   '소', 2870, 57, 55, 40, 60, 58, '서촉',  62, 240, ['무도', '한중', '덕양']], 
+        [57, '광릉',   '소', 2867, 61, 55, 40, 60, 62, '오월', 478, 270, ['하비', '건업']], 
+        [58, '장가',   '소', 2853, 59, 62, 40, 58, 57, '남중', 136, 395, ['건녕', '영릉', '남만']], 
+        [59, '영릉',   '소', 2849, 62, 58, 40, 62, 62, '초',   197, 390, ['무릉', '계양', '장가']], 
+        [60, '월수',   '소', 2828, 60, 59, 40, 58, 63, '남중',  39, 349, ['강주', '주제', '운남']], 
+        [61, '건안',   '소', 2802, 57, 62, 40, 58, 63, '오월', 440, 420, ['단양', '회계', '산월']], 
+        [62, '신야',   '소', 2786, 60, 62, 40, 58, 55, '초',   245, 255, ['상용', '완', '양양']], 
+        [63, '탐라',   '수', 1130, 22, 21, 20, 43, 41, '동이', 614, 259, ['웅진', '왜', '오']], 
+        [64, '상동',   '소', 2767, 58, 59, 40, 62, 58, '초',   285, 405, ['계양', '시상', '남해']], 
+        [65, '안정',   '소', 2764, 57, 59, 40, 57, 62, '서북', 135, 130, ['강', '무위', '천수', '장안']], 
+        [66, '여남',   '소', 2749, 63, 56, 40, 64, 64, '중원', 335, 255, ['완', '허창', '초', '수춘']], 
+        [67, '홍농',   '소', 2748, 57, 63, 40, 58, 63, '서북', 220, 170, ['하동', '낙양', '장안']], 
+        [68, '주제',   '소', 2746, 58, 61, 40, 61, 58, '남중',  93, 357, ['강주', '월수', '건녕']], 
+        [69, '남만',   '이', 2378, 40, 42, 20, 43, 45, '남중',  90, 454, ['운남', '장가', '교지']], 
+        [70, '산월',   '이', 2275, 40, 37, 20, 43, 38, '오월', 373, 447, ['건안', '소', '남해']], 
+        [71, '오환',   '이', 2153, 42, 37, 20, 43, 40, '동이', 628,  19, ['요동', '국내']], 
+        [72, '강',     '이', 2095, 40, 42, 20, 43, 40, '서북', 154,  70, ['무위', '안정']], 
+        [73, '왜',     '이', 2065, 39, 37, 20, 43, 41, '동이', 681, 292, ['계림', '탐라', '소']], 
+        [74, '흉노',   '이', 2064, 40, 41, 20, 40, 38, '서북', 227,  79, ['진양', '하동']], 
+        [75, '저',     '이', 1957, 40, 42, 20, 43, 42, '서북',  24, 123, ['무위', '천수', '무도']], 
+        [76, '호로',   '관',  958, 17, 19, 20, 95, 96, '중원', 317, 182, ['낙양', '진류', '허창']], 
+        [77, '오장원', '진', 1005, 19, 18, 20, 41, 40, '서북', 104, 175, ['천수', '장안', '한중']], 
+        [78, '적벽',   '수', 1117, 23, 21, 20, 42, 41, '오월', 335, 330, ['강하', '강릉', '시상']], 
+    ];
+}
\ No newline at end of file
diff --git a/hwe/scenario/scenario_901.json b/hwe/scenario/scenario_901.json
new file mode 100644
index 00000000..1626f32f
--- /dev/null
+++ b/hwe/scenario/scenario_901.json
@@ -0,0 +1,13 @@
+{
+    "title":"【공백지】 무주공산",
+    "startYear":180,
+    "map":{
+        "mapName":"miniche_clean"
+    },
+    "history":[
+    ],
+    "const": {
+        "expandCityDefaultCost": 30000,
+        "expandCityCostCoef": 250
+    }
+}
\ No newline at end of file