diff --git a/js/simulator-ui/common.js b/js/simulator-ui/common.js
index 9b30b43f..d44fd6e5 100644
--- a/js/simulator-ui/common.js
+++ b/js/simulator-ui/common.js
@@ -96,16 +96,16 @@ var COMMON = {
 	
 	friendFleetImproveSpecial: {
 		'59-4': [
-			[{ "id": 264, "improvement": [10,10,0,10] }, { "id": 487, "improvement": [10,10] }, { "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }],
-			[{ "id": 156, "improvement": [4] }, { "id": 411, "improvement": [10,10,0,10] }, { "id": 412, "improvement": [10,10,10] }, { "id": 501, "improvement": [10,10,10] }, { "id": 968, "improvement": [10,10,10] }],
-			[{ "id": 411, "improvement": [10,10,10] }, { "id": 319, "improvement": [10,10,0,10] }, { "id": 194, "improvement": [10,10,0,10] }, { "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }],
-			[{ "id": 319, "improvement": [10,10,10,10] }, { "id": 194, "improvement": [10,10] }, { "id": 246, "improvement": [9,10,10] }, { "id": 497, "improvement": [10,10,10] }, { "id": 961, "improvement": [10,10,10] }],
-			[{ "id": 734, "improvement": [8,8] }, { "id": 659, "improvement": [0,0,10] }, { "id": 697, "improvement": [] }, { "id": 928, "improvement": [9,9] }, { "id": 689, "improvement": [] }, { "id": 726, "improvement": [4] }],
-			[{ "id": 411, "improvement": [10,10,10] }, { "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }],
-			[{ "id": 487, "improvement": [10,10] }, { "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }],
-			[{ "id": 928, "improvement": [9,9] }, { "id": 726, "improvement": [] }, { "id": 689, "improvement": [4] }],
-			[{ "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }],
-			[{ "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }]
+			{ "ships": [{ "id": 411, "improvement": [10,10,10] }, { "id": 319, "improvement": [10,10,0,10] }, { "id": 194, "improvement": [10,10,0,10] }, { "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }], "rate": 25 },
+			{ "ships": [{ "id": 156, "improvement": [4] }, { "id": 411, "improvement": [10,10,0,10] }, { "id": 412, "improvement": [10,10,10] }, { "id": 501, "improvement": [10,10,10] }, { "id": 968, "improvement": [10,10,10] }], "rate": 30 },
+			{ "ships": [{ "id": 734, "improvement": [8,8] }, { "id": 659, "improvement": [0,0,10] }, { "id": 697, "improvement": [] }, { "id": 928, "improvement": [9,9] }, { "id": 689, "improvement": [] }, { "id": 726, "improvement": [4] }], "rate": 50 },
+			{ "ships": [{ "id": 319, "improvement": [10,10,10,10] }, { "id": 194, "improvement": [10,10] }, { "id": 246, "improvement": [9,10,10] }, { "id": 497, "improvement": [10,10,10] }, { "id": 961, "improvement": [10,10,10] }], "rate": 70 },
+			{ "ships": [{ "id": 264, "improvement": [10,10,0,10] }, { "id": 487, "improvement": [10,10] }, { "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }], "rate": 99 },
+			{ "ships": [{ "id": 411, "improvement": [10,10,10] }, { "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }], "rate": 20 },
+			{ "ships": [{ "id": 487, "improvement": [10,10] }, { "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }], "rate": 25 },
+			{ "ships": [{ "id": 928, "improvement": [9,9] }, { "id": 726, "improvement": [] }, { "id": 689, "improvement": [4] }], "rate": 33.333 },
+			{ "ships": [{ "id": 647, "improvement": [10,10,10] }, { "id": 627, "improvement": [10,10,10] }], "rate": 50 },
+			{ "ships": [{ "id": 564, "improvement": [8,10,10] }, { "id": 327, "improvement": [10,10,10] }], "rate": 100 }
 		]
 	},
 	
diff --git a/js/simulator-ui/ui-main.js b/js/simulator-ui/ui-main.js
index 308cd171..b3f7190f 100644
--- a/js/simulator-ui/ui-main.js
+++ b/js/simulator-ui/ui-main.js
@@ -1387,20 +1387,25 @@ var UI_KCNAVCOMPIMPORTER = Vue.createApp({
 				if (this.isFriendFleet) {
 					let improveSpecial = COMMON.friendFleetImproveSpecial[this.world + '-' + this.mapnum];
 					if (improveSpecial) {
-						let improveSpecialByKey = {};
-						for (let ships of improveSpecial) {
-							let key = ships.map(ship => ship.id).join(',');
-							improveSpecialByKey[key] = ships;
+						let compSaveByKey = {};
+						for (let compSave of compsSave) {
+							let key = compSave.fleet.ships.map(ship => ship.mstId).join(',');
+							compSaveByKey[key] = compSave;
+							compSave.rate = 0;
 						}
-						for (let comp of compsSave) {
-							let key = comp.fleet.ships.map(ship => ship.mstId).join(',');
-							if (!improveSpecialByKey[key]) continue;
-							for (let i=0; i<improveSpecialByKey[key].length; i++) {
-								let ship = comp.fleet.ships[i];
-								for (let j=0; j<improveSpecialByKey[key][i].improvement.length; j++) {
-									ship.equips[j].level = improveSpecialByKey[key][i].improvement[j];
+						let rateLeft = 1;
+						for (let item of improveSpecial) {
+							let key = item.ships.map(ship => ship.id).join(',');
+							let compSave = compSaveByKey[key];
+							if (!compSave) continue;
+							for (let i=0; i<item.ships.length; i++) {
+								let shipSave = compSave.fleet.ships[i];
+								for (let j=0; j<item.ships[i].improvement.length; j++) {
+									shipSave.equips[j].level = item.ships[i].improvement[j];
 								}
 							}
+							compSave.rate = Math.round(10*item.rate*rateLeft) || 1;
+							rateLeft *= (1-item.rate/100);
 						}
 					}
 				}