ui基本完毕，修了一大把的bug

Assets/_eqpmtSys/eqpmtDetailPrefab.prefab

@@ -1262,7 +1262,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 260}
+  m_AnchoredPosition: {x: 0, y: 160}
   m_SizeDelta: {x: 300, y: 0}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!222 &7576639242479402706

Assets/_eqpmtSys/equipItemPrefab.cs

@@ -25,6 +25,8 @@ public class equipItemPrefab : MonoBehaviour, IBeginDragHandler, IDragHandler, I
     public GameObject eqpmtDesPrefab;
     public Transform popupParent;
     public float popupHorizontalOffset = 40f;
+    public float popupBottomEdgePadding = 32f;
+    public float popupBottomAvoidanceOffset = 24f;
 
     [Header("events")]
     public UnityEvent<equipmentSO> onItemClicked;
@@ -186,6 +188,49 @@ public class equipItemPrefab : MonoBehaviour, IBeginDragHandler, IDragHandler, I
         float halfPopupWidth = popupRect.rect.width * 0.5f;
         float xOffset = halfItemWidth + halfPopupWidth + popupHorizontalOffset;
         popupRect.anchoredPosition = localPoint + new Vector2(placeLeft ? -xOffset : xOffset, 0f);
+
+        AdjustPopupAwayFromBottomEdge(popupRect, parentRect, itemRect, localUiCamera);
+    }
+
+    private void AdjustPopupAwayFromBottomEdge(RectTransform popupRect, RectTransform parentRect, RectTransform itemRect, Camera localUiCamera)
+    {
+        if (popupRect == null || parentRect == null || itemRect == null)
+        {
+            return;
+        }
+
+        Vector3[] itemCorners = new Vector3[4];
+        itemRect.GetWorldCorners(itemCorners);
+
+        float bottom = RectTransformUtility.WorldToScreenPoint(localUiCamera, itemCorners[0]).y;
+        float minBottom = popupBottomEdgePadding;
+        float shiftScreenY = 0f;
+
+        if (bottom < minBottom)
+        {
+            shiftScreenY = (minBottom - bottom) + Mathf.Max(0f, popupBottomAvoidanceOffset);
+        }
+
+        if (Mathf.Approximately(shiftScreenY, 0f))
+        {
+            return;
+        }
+
+        Vector2 currentScreenPoint = RectTransformUtility.WorldToScreenPoint(localUiCamera, popupRect.position);
+        Vector2 adjustedScreenPoint = currentScreenPoint + new Vector2(0f, shiftScreenY);
+
+        if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(parentRect, currentScreenPoint, localUiCamera, out Vector2 currentLocalPoint))
+        {
+            return;
+        }
+
+        if (!RectTransformUtility.ScreenPointToLocalPointInRectangle(parentRect, adjustedScreenPoint, localUiCamera, out Vector2 adjustedLocalPoint))
+        {
+            return;
+        }
+
+        Vector2 localDelta = adjustedLocalPoint - currentLocalPoint;
+        popupRect.anchoredPosition += localDelta;
     }
 
     public void OnBeginDrag(PointerEventData eventData)

Assets/_eqpmtSys/equipItemPrefab.prefab

@@ -85,6 +85,8 @@ MonoBehaviour:
   eqpmtDesPrefab: {fileID: 2338382027758302449, guid: 00982b98d18fbe94cb371f5451f6e244, type: 3}
   popupParent: {fileID: 0}
   popupHorizontalOffset: 120
+  popupBottomEdgePadding: 128
+  popupBottomAvoidanceOffset: 200
   onItemClicked:
     m_PersistentCalls:
       m_Calls: []