save project

my_Tetris.py

@@ -20,7 +20,7 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-        if event.key = locals.KEYDOWN:
+        if event.type == locals.KEYDOWN:
             if event.key == locals.K_LEFT:
                 if center[1] > 1:
                     center[1] -= 1
@@ -29,7 +29,7 @@ while True:
                     center[1] += 1
             if event.key == locals.K_DOWN:
                 if center[0] <25 :
-                    center[0] -= 1
+                    center[0] += 1
 
     # 将背景图画上去
     screen.blit(background,(0,0))