diff --git a/libs/items.js b/libs/items.js
index d4288779..811a15e0 100644
--- a/libs/items.js
+++ b/libs/items.js
@@ -26,37 +26,53 @@ items.prototype.getItems = function () {
     return items;
 }
 
+///// 根据道具id，返回属性名：属性值的键值对
+items.prototype.getItemEffectValue = function (itemId, ratio) {
+    let effectObj = {};
+    const itemEffectEvent = core.material.items[itemId].itemEffectEvent;
+    if (!itemEffectEvent) return effectObj;
+    const value = itemEffectEvent.value;
+    if (!ratio && ratio !== 0) {
+        ratio = core.status.thisMap.ratio;
+        if (!ratio && ratio !== 0) {
+            ratio = 1;
+        }
+    }
+    for (let statusName in value) {
+        let statusValue, needRatio;
+        const effect = value[statusName];
+        if (statusName.endsWith(':o')) {
+            needRatio = true;
+            statusName = statusName.slice(0, -2);
+        }
+        if (core.status.hero.hasOwnProperty(statusName)) {
+            for (var i = 0; i < itemNum; ++i) {
+                try {
+                    statusValue = eval(effect);
+                }
+                catch (e) {
+                    console.error(e);
+                }
+                if (needRatio) statusValue *= ratio;
+                effectObj[statusName] = statusValue;
+            }
+        }
+    }
+    return effectObj;
+}
+
+
 ////// “即捡即用类”道具的使用效果 //////
 items.prototype.getItemEffect = function (itemId, itemNum) {
     const itemCls = core.material.items[itemId].cls;
     // 消耗品
     if (itemCls === 'items') {
         const curr_hp = core.status.hero.hp;
-        const itemEffectEvent = core.material.items[itemId].itemEffectEvent;
-        if (itemEffectEvent) {
-            const { value } = itemEffectEvent;
-            for (let statusName in value) {
-                let statusValue, ratio, needRatio;
-                const effect = value[statusName];
-                if (statusName.endsWith(':o')) {
-                    needRatio = true;
-                    statusName = statusName.slice(0, -2);
-                }
-                ratio = core.status.thisMap.ratio || 1;
-                if (core.status.hero.hasOwnProperty(statusName)) {
-                    for (var i = 0; i < itemNum; ++i) {
-                        try {
-                            statusValue = eval(effect);
-                        }
-                        catch (e) {
-                            console.error(e);
-                        }
-                        if (needRatio) statusValue *= ratio;
-                        core.addStatus(statusName, statusValue);
-                    }
-                }
-            }
+        const effectObj = this.getItemEffectValue(itemId);
+        for (let statusName in effectObj) {
+            if (effectObj.hasOwnProperty(statusName)) core.addStatus(statusName, effectObj[statusName]);
         }
+
         const itemEffect = core.material.items[itemId].itemEffect;
         if (itemEffect) {
             try {
diff --git a/libs/ui.js b/libs/ui.js
index 98447e29..5ca53c49 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -3316,27 +3316,12 @@ ui.prototype._drawStatistics_items = function (floorId, floor, id, obj) {
         core.setFlag("__statistics__", true);
         var ratio = core.status.thisMap.ratio;
         core.status.thisMap.ratio = core.clone(core.status.maps[floorId].ratio);
-        const itemInfo = core.material.items[id];
-        if (itemInfo.hasOwnProperty('itemEffectEvent') && itemInfo.itemEffectEvent.hasOwnProperty('value')) {
-            const values = itemInfo.itemEffectEvent.value;
-            for (let statusName in values) {
-                const getStatusValue = values[statusName];
-                let needRatio, statusValue;
-                if (statusName.endsWith(':o')) {
-                    needRatio = true;
-                    statusName = statusName.slice(0, -2);
-                }
-                if (core.status.hero.hasOwnProperty(statusName)) {
-                    try {
-                        statusValue = eval(getStatusValue);
-                    } catch (error) {
-                        console.log(error);
-                    }
-                    if (needRatio) statusValue *= ratio;
-                    core.addStatus(statusName, statusValue);
-                }
-            }
+
+        const effectObj = core.items.getItemEffectValue(itemId, ratio);
+        for (let statusName in effectObj) {
+            if (effectObj.hasOwnProperty(statusName)) core.addStatus(statusName, effectObj[statusName]);
         }
+
         try { eval(core.material.items[id].itemEffect); }
         catch (e) { }
         core.status.thisMap.ratio = ratio;
diff --git a/runtime.d.ts b/runtime.d.ts
index df1ab19e..f703954a 100644
--- a/runtime.d.ts
+++ b/runtime.d.ts
@@ -1517,7 +1517,7 @@ interface enemys {
     getEnemys(): any
 
     /** 获得所有特殊属性定义 */
-    getSpecials():[number, string | ((enemy: Enemy) => string), string | ((enemy: Enemy) => string),
+    getSpecials(): [number, string | ((enemy: Enemy) => string), string | ((enemy: Enemy) => string),
         string | [number, number, number, number?], number?][]
 
     /** 获得所有特殊属性的颜色 */
@@ -1570,7 +1570,7 @@ interface maps {
             [x: string]: any
         }
     }
-    
+
     /**
      * 根据图块id得到数字（地图矩阵中的值）
      * @example core.getNumberById('yellowWall'); // 1
@@ -2067,6 +2067,14 @@ interface loader {
 /** @file items.js 主要负责一切和道具相关的内容。 */
 interface items {
 
+    /**
+     * 获得给定ratio下（不填默认当前地图倍率）该即捡即用类的道具获得时勇士属性的增加效果
+     * @example core.getItemEffectValue('redGem',1) // 获得倍率为1时红宝石增加的属性值
+     * @param itemId 道具id
+     * @param ratio 倍率，不填默认当前地图倍率
+     */
+    getItemEffectValue(itemId: string, ratio?: number): { [key: string]: number }
+
     /**
      * 即捡即用类的道具获得时的效果
      * @example core.getItemEffect('redPotion', 10) // 执行获得10瓶红血的效果
@@ -3042,4 +3050,4 @@ interface Main {
 
 declare let core: CoreMixin
 declare let flags: { [x: string]: any }
-declare let hero : CoreMixin['status']['hero']
\ No newline at end of file
+declare let hero: CoreMixin['status']['hero']
\ No newline at end of file