diff --git a/chesspi/chesspi_rules.cpp b/chesspi/chesspi_rules.cpp
index d179b9de26e3619574da00d2f5005f5a827399fc..9c4b73889617380bd7246e1cd2907b432d601099 100644
--- a/chesspi/chesspi_rules.cpp
+++ b/chesspi/chesspi_rules.cpp
@@ -64,8 +64,13 @@ std::vector<chess_node>  expand_node(const chess_node & r_root, const int side)
 		if (alive[i])
 			map_coords[coordy[i]][coordx[i]] = i+1;
 
-	for (int i=0;i<16;++i)
+	//有限层级优先顺序
+	//	 * 帅士士相相马马车车炮炮兵兵兵兵兵  將仕仕象象馬馬車車砲砲卒卒卒卒卒
+
+	const int order[16] = {7,8,9,10,5,6,11,12,14,15,1,2,3,4,13,0};
+	for (int oi=0;oi<16;++oi)
 	{
+		const int i = order[oi];
 		if (!alive[i])
 			continue;
 		switch (i)