diff --git a/lua/app/module/battle/controller/battle_controller_pvp.lua b/lua/app/module/battle/controller/battle_controller_pvp.lua
index 1aaf255f..ae51e29a 100644
--- a/lua/app/module/battle/controller/battle_controller_pvp.lua
+++ b/lua/app/module/battle/controller/battle_controller_pvp.lua
@@ -251,7 +251,13 @@ end
 
 function BattleControllerPVP:checkDefBoard()
     if self:getCurActionSide() == SIDE_DEF then
-        local path = board_heler:findPvpLinkOptimalSolution(self, self:getAtkMinRow(), 1)
+        local elementTypeCoefficient = {}
+        local teamEntity = self.battleData:getDefTeam()
+        local members = teamEntity:getAllMembers()
+        for k, v in pairs(members) do
+            elementTypeCoefficient[v:getMatchType()] = v:getAtk()
+        end
+        local path = board_heler:findPvpLinkOptimalSolution(self, self:getAtkMinRow(), 1, elementTypeCoefficient)
         if path and #path >= self:getMinEliminationCount() then
             if self.showCheckDefBoardSeq then
                 self.showCheckDefBoardSeq:Kill()
diff --git a/lua/app/module/battle/helper/board_helper.lua b/lua/app/module/battle/helper/board_helper.lua
index 851864f5..c8bccddd 100644
--- a/lua/app/module/battle/helper/board_helper.lua
+++ b/lua/app/module/battle/helper/board_helper.lua
@@ -21,7 +21,7 @@ function BoardHelper:recycleedEmptyTable(emptyTable)
     end
 end
 
-function BoardHelper:findPvpLinkOptimalSolution(battleController, startRow, endRow)
+function BoardHelper:findPvpLinkOptimalSolution(battleController, startRow, endRow, elementTypeCoefficient)
     local battleData = battleController.battleData
     local gridMap = BoardHelper:getEmptyTable()
     local gridEntities = BoardHelper:getEmptyTable()
@@ -43,6 +43,11 @@ function BoardHelper:findPvpLinkOptimalSolution(battleController, startRow, endR
 
     local maxPath
     local maxPathCount = 0
+    local newHaveSkill = false
+    local lastMainElementType
+    if not elementTypeCoefficient then
+        elementTypeCoefficient = BoardHelper:getEmptyTable()
+    end
     for _, posId in pairs(gridEntities) do
         local entity = gridMap[posId]
         local mainElementType
@@ -50,15 +55,33 @@ function BoardHelper:findPvpLinkOptimalSolution(battleController, startRow, endR
             mainElementType = entity:getElementType()
             local tree = BoardHelper:getEmptyTable()
             self:getCanlinkTree(posId, gridMap, tree, mainElementType)
-    
+
             local checked = BoardHelper:getEmptyTable()
             local haveSkill = false
-            local path = self:findMaxPath(posId, tree, checked, haveSkill, gridMap)
+            local path, getSkill = self:findMaxPath(posId, tree, checked, haveSkill, gridMap)
             local count = #path
-            if count > maxPathCount then
+            if getSkill and not newHaveSkill then
                 maxPath = path
                 maxPathCount = count
+                newHaveSkill = getSkill
+                lastMainElementType = mainElementType
+            else
+                local curCoefficient = elementTypeCoefficient[mainElementType] or 0
+                local lastCoefficient = elementTypeCoefficient[lastMainElementType] or 0
+                if not getSkill and newHaveSkill then
+                    BoardHelper:recycleedEmptyTable(path)
+                else
+                    if count * curCoefficient > maxPathCount * lastCoefficient then
+                        maxPath = path
+                        maxPathCount = count
+                        newHaveSkill = getSkill
+                        lastMainElementType = mainElementType
+                    else
+                        BoardHelper:recycleedEmptyTable(path)
+                    end
+                end
             end
+
             for posId, info in pairs(tree) do
                 BoardHelper:recycleedEmptyTable(info)
             end
@@ -67,6 +90,7 @@ function BoardHelper:findPvpLinkOptimalSolution(battleController, startRow, endR
         end
     end
 
+    BoardHelper:recycleedEmptyTable(elementTypeCoefficient)
     BoardHelper:recycleedEmptyTable(gridMap)
 
     return maxPath