diff --git a/src/utils/index.js b/src/utils/index.js
index 5a1d48a52127d868faf1441fb0775e8f6a892253..8e2a44c0d700abba483f72f1ef14717d4099ca17 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -83,7 +83,7 @@ export function robotPlay(board, robot, win_size) {
 
     // 评估每个空位置的价值，从八个方向去计算
     score = directions.reduce((r, [y, x]) => {
-      const square = getDirectionScore(board, row, col, [y, x], win_size, is_black) + getDirectionScore(board, row, col, [y * -1, x * -1], win_size, is_black)
+      const square = getDirectionScore(board, row, col, [y, x], win_size) + getDirectionScore(board, row, col, [y * -1, x * -1], win_size)
       return r + (10 ** square)
     }, 0)
 
@@ -135,14 +135,14 @@ function getBoundary(size, num) {
  * @param {*} piece_type 
  * @returns 
  */
-function getDirectionScore(board, row, col, [y, x], win_size, piece_type) {
+function getDirectionScore(board, row, col, [y, x], win_size) {
   const ROW = board.length
   const COL = board[0].length
   let res = 0
   let _row = row + y
   let _col = col + x
   while (true) {
-    if (_row < 0 || _col < 0 || !board[_row] || board[_row][_col] !== piece_type) {
+    if (_row < 0 || _col < 0 || !board[_row] || board[_row][_col] !== is_black) {
       break;
     }
     res += 1