diff --git a/public/libs/control.js b/public/libs/control.js
index 67edf7b..9fded0a 100644
--- a/public/libs/control.js
+++ b/public/libs/control.js
@@ -1501,7 +1501,7 @@ control.prototype.drawDamage = function (ctx, floorId = core.status.floorId) {
 };
 
 control.prototype._drawDamage_draw = function (ctx, onMap) {
-    // Deprecated. See src/plugin/game/popup.js
+    // Deprecated. See src/plugin/game/fx/checkblock.js
 };
 
 // ------ 录像相关 ------ //
diff --git a/public/libs/enemys.js b/public/libs/enemys.js
index b68a2a4..54090fa 100644
--- a/public/libs/enemys.js
+++ b/public/libs/enemys.js
@@ -207,29 +207,7 @@ enemys.prototype.canBattle = function (enemy, x, y, floorId) {
 };
 
 enemys.prototype.getDamageString = function (enemy, x, y, floorId, hero) {
-    // todo: 删除
-    if (typeof enemy == 'string') enemy = core.material.enemys[enemy];
-    var damage = this.getDamage(enemy, x, y, floorId, hero);
-
-    var color = '#000000';
-
-    if (damage == null) {
-        damage = '???';
-        color = '#FF2222';
-    } else {
-        if (damage <= 0) color = '#11FF11';
-        else if (damage < core.status.hero.hp / 3) color = '#FFFFFF';
-        else if (damage < (core.status.hero.hp * 2) / 3) color = '#FFFF00';
-        else if (damage < core.status.hero.hp) color = '#FF9933';
-        else color = '#FF2222';
-
-        damage = core.formatBigNumber(damage, true);
-    }
-
-    return {
-        damage: damage,
-        color: color
-    };
+    // Deprecated.
 };
 
 ////// 接下来N个临界值和临界减伤计算 //////
diff --git a/src/plugin/game/fx/rewrite.ts b/src/plugin/game/fx/rewrite.ts
new file mode 100644
index 0000000..71e333f
--- /dev/null
+++ b/src/plugin/game/fx/rewrite.ts
@@ -0,0 +1,70 @@
+import { getEnemy } from '../enemy/battle';
+import { DamageDir, getNeedCalDir } from '../enemy/damage';
+import { formatDamage } from '../utils';
+
+export {};
+
+core.maps._initDetachedBlock = function (
+    info: BlockInfo,
+    x: number,
+    y: number,
+    displayDamage: boolean = false
+) {
+    let headCanvas = null,
+        bodyCanvas = '__body_' + x + '_' + y,
+        damageCanvas = null;
+
+    // head
+    if (!info.bigImage && info.height > 32) {
+        headCanvas = '__head_' + x + '_' + y;
+        core.createCanvas(headCanvas, 0, 0, 32, info.height - 32, 55);
+    }
+    // body
+    if (info.bigImage) {
+        var bigImageInfo = this._getBigImageInfo(
+            info.bigImage,
+            info.face,
+            info.posX
+        );
+        const { per_width, per_height } = bigImageInfo;
+        core.createCanvas(bodyCanvas, 0, 0, per_width, per_height, 35);
+    } else {
+        core.createCanvas(bodyCanvas, 0, 0, 32, 32, 35);
+    }
+
+    // 伤害
+    if (
+        info.cls.indexOf('enemy') == 0 &&
+        core.hasItem('book') &&
+        displayDamage
+    ) {
+        const enemy = getEnemy(x, y);
+        const dam = enemy.calEnemyDamage(core.status.hero, getNeedCalDir(x, y));
+        let min = Infinity;
+        let minDir: DamageDir = 'none';
+        for (const d of dam) {
+            if (d.damage < min) {
+                min = d.damage;
+                minDir = d.dir;
+            }
+        }
+        const { damage, color } = formatDamage(min);
+
+        damageCanvas = '__damage_' + x + '_' + y;
+        const ctx = core.createCanvas(damageCanvas, 0, 0, 32, 32, 65);
+        ctx.textAlign = 'left';
+        ctx.font = '14px normal';
+        core.fillBoldText(ctx, damage, 1, 31, color as string);
+        if (core.flags.displayCritical) {
+            const critical = enemy.calCritical(1, minDir)[0];
+            const atk = core.formatBigNumber(critical[0].dirDelta, true);
+            const display = atk === '???' ? '?' : atk;
+            core.fillBoldText(ctx, display, 1, 21, '#FFFFFF');
+        }
+    }
+    return {
+        headCanvas,
+        bodyCanvas,
+        damageCanvas
+    };
+};
diff --git a/src/plugin/game/index.js b/src/plugin/game/index.js
index fb2f24c..bd9475f 100644
--- a/src/plugin/game/index.js
+++ b/src/plugin/game/index.js
@@ -5,6 +5,7 @@ import './fx/itemDetail';
 import './enemy/checkblock';
 import './replay';
 import './ui';
+import './fx/rewrite';
 import * as halo from './fx/halo';
 import * as hero from './hero';
 import * as loopMap from './loopMap';
diff --git a/src/types/map.d.ts b/src/types/map.d.ts
index 4a7357f..74be353 100644
--- a/src/types/map.d.ts
+++ b/src/types/map.d.ts
@@ -1380,6 +1380,19 @@ interface Maps {
     stopAnimate(id?: number, doCallback?: boolean): void;
 
     _makeAutotileEdges(): void;
+
+    _initDetachedBlock(
+        info: BlockInfo,
+        x: number,
+        y: number,
+        displayDamage: boolean
+    ): {
+        headCanvas: string | null;
+        bodyCanvas: string;
+        damageCanvas: string | null;
+    };
+
+    _getBigImageInfo(bigImage: HTMLImageElement, face: Dir, posX: number): any;
 }
 
 declare const maps: new () => Maps;