diff --git a/src/game/position.cpp b/src/game/position.cpp
index 31298d8f..9abfe9e5 100644
--- a/src/game/position.cpp
+++ b/src/game/position.cpp
@@ -770,7 +770,7 @@ bool Game::command(int m)
     return false;
 }
 
-inline int Game::update()
+int Game::update()
 {
     int ret = -1;
     int timePoint = -1;
diff --git a/src/game/position.h b/src/game/position.h
index 6ccf1ea8..2e3451a6 100644
--- a/src/game/position.h
+++ b/src/game/position.h
@@ -222,7 +222,7 @@ public:
     bool command(const char *cmd);
 
     // 更新时间和状态，用内联函数以提高效率
-    inline int update();
+    int update();
 
     // 是否分出胜负
     bool win();