bug修复

lua/app/module/battle/controller/battle_controller.lua

@@ -558,7 +558,7 @@ function BattleController:onTouchEvent(eventType, posId)
                 return
             end
 
-            local snapshot = self.battleData:removeGridSequence(sequence[1].posId)
+            local snapshot = self.battleData:getFirstSequenceSnapshot()
             if snapshot then -- 如果有快照，则恢复一次
                 for posId, info in pairs(snapshot) do
                     local entity = self.battleData:getGridEntity(posId)

lua/app/userdata/battle/battle_data.lua

@@ -213,6 +213,15 @@ function BattleData:removeGridSequence(posId)
     return snapshot
 end
 
+function BattleData:getFirstSequenceSnapshot(posId)
+    if not self.gridSequence[1] then
+        return
+    end
+
+    local snapshot = self.gridSequence[1].snapshot
+    return snapshot
+end
+
 function BattleData:cacheSkillInfluenceGrids(grids)
     if not self.skillInfluenceGrids then
         self.skillInfluenceGrids = {}