diff --git a/libs/enemys.js b/libs/enemys.js
index bbd05e97..2dacd65f 100644
--- a/libs/enemys.js
+++ b/libs/enemys.js
@@ -243,6 +243,7 @@ enemys.prototype._nextCriticals_useBinarySearch = function (enemy, info, number,
 
         while (start < end) {
             var mid = Math.floor((start + end) / 2);
+            if (mid - start > end - mid) mid--;
             var nextInfo = core.enemys.getDamageInfo(enemy, {"atk": mid}, x, y, floorId);
             if (nextInfo == null || (typeof nextInfo == 'number')) return null;
             if (pre > nextInfo.damage) end = mid;
diff --git a/libs/maps.js b/libs/maps.js
index 3a2a69b3..f6ecd5df 100644
--- a/libs/maps.js
+++ b/libs/maps.js
@@ -406,7 +406,7 @@ maps.prototype.resizeMap = function (floorId) {
 
     core.bigmap.v2 = core.bigmap.width * core.bigmap.height > core.bigmap.threshold;
     var width = core.bigmap.v2 ? core.__PIXELS__ + 64 : core.bigmap.width * 32;
-    var height = core.bigmap.v2 ? core.__PIXELS__ + 64 : core.bigmap.width * 32;
+    var height = core.bigmap.v2 ? core.__PIXELS__ + 64 : core.bigmap.height * 32;
 
     core.bigmap.canvas.forEach(function (cn) {
         core.canvas[cn].canvas.setAttribute("width", width);