diff --git a/my_Tetris.py b/my_Tetris.py
index b5b6dd6..24b91f5 100644
--- a/my_Tetris.py
+++ b/my_Tetris.py
@@ -72,7 +72,7 @@ while True:
                 if check(center)==False:
                    index=old_index
                    current_shape=shape[index]
-    if states=False:
+    if states==False:
         states=True
         center = [2, 8]     # 第2行第8列
         shape=random.choice(shape_list)