fix Item not reset after reopen dlg award

Assets/PerfectWorld/Scripts/UI/DlgAward/AwardItem.cs

@@ -25,6 +25,11 @@ namespace BrewMonster.Scripts.UI
             
         public void SetImage(Sprite sprite)
         {
+            if (img == null)
+            {
+                return;
+            }
+            img.enabled = sprite != null;
             img.sprite = sprite;
         }
 
@@ -36,7 +41,11 @@ namespace BrewMonster.Scripts.UI
         
         public void SetColor(Color color)
         {
-            // TODO : Set color to relevant UI components
+            if (img == null)
+            {
+                return;
+            }
+            img.color = color;
         }
 
         public void SetHint(string text)
@@ -44,9 +53,24 @@ namespace BrewMonster.Scripts.UI
             txtHint = text;
         }
 
+        /// <summary>
+        /// Reset slot when this cell has no award (e.g. dialog reopened with fewer items).
+        /// 清空格子：再次打开奖励界面时清除上一轮的图标与点击逻辑。
+        /// </summary>
         public void ClearCover()
         {
-            // TODO : Implement cover clearing functionality
+            if (img != null)
+            {
+                img.sprite = null;
+                img.enabled = false;
+                img.color = Color.white;
+            }
+            if (btn != null)
+            {
+                btn.onClick.RemoveAllListeners();
+            }
+            txtHint = string.Empty;
+            isOn = false;
         }
 
         public void Show(bool show)

Assets/PerfectWorld/Scripts/UI/DlgAward/CDlgAward.cs

@@ -59,6 +59,14 @@ namespace BrewMonster.Scripts.UI
 			{
 				toggle.isOn = false;
 			}
+			if (itemInfoPanel != null)
+			{
+				itemInfoPanel.SetActive(false);
+			}
+			if (descriptionOutlet != null)
+			{
+				descriptionOutlet.Set(string.Empty);
+			}
 			_btnClose.onClick.AddListener(OnCloseDlgAward);
 		}
 
@@ -214,7 +222,7 @@ namespace BrewMonster.Scripts.UI
 					    // sprintf(out szName, "Item_%02d01", i);
 					    // pImage = (PAUIIMAGEPICTURE)GetDlgItem(szName);
 					    // if (!pImage) break; // All done.
-					    pImage = GetAwardItemAt(i, i);
+					    pImage = GetAwardItemAt(i, 1);
 					    if (!pImage) break;
 
 					    // sprintf(out szName, "Rdo_Award%d", i);