diff --git a/pumpkin.py b/pumpkin.py
index 0330e23..24d7eb6 100644
--- a/pumpkin.py
+++ b/pumpkin.py
@@ -1,8 +1,10 @@
 import config
-def Plant():
+import tools
+#def Plant():
+while True:
 	dead_x = []
 	dead_y = []
-	for x in range(get_world_size()):
+	for x in range(get_world_size()):     #第一轮种植南瓜
 		for y in range(get_world_size()):
 			if get_entity_type() != None:
 				if can_harvest():
@@ -20,6 +22,35 @@ def Plant():
 					plant(Entities.Pumpkin)
 					if get_water() < config.waterpercent:
 						use_item(Items.Water)
-	for x in range(get_world_size()):
+			move(North)
+		move(East)
+			
+	for x in range(get_world_size()):     #第一轮检查
 		for y in range(get_world_size()):
-			
\ No newline at end of file
+			if get_entity_type() != Entities.Pumpkin:
+				dead_x.append(get_pos_x())
+				dead_y.append(get_pos_y())
+				#print(len(dead_x))
+				if get_ground_type() != Grounds.Soil:
+					till()
+				plant(Entities.Pumpkin)
+				if get_water() < config.waterpercent:
+					use_item(Items.Water)
+			move(North)
+		move(East)
+
+	while len(dead_x) != 0:     #多轮复查
+		#print("len(dead_x)=",len(dead_x))
+		#print(dead_x[0],dead_y[0])
+		tools.goto(dead_x[0],dead_y[0])
+		if get_entity_type() != Entities.Pumpkin:
+			if get_ground_type() != Grounds.Soil:
+				till()
+			plant(Entities.Pumpkin)
+			if get_water() < config.waterpercent:
+				use_item(Items.Water)
+		else:
+			dead_x.pop(0)
+			dead_y.pop(0)
+	tools.goto(0,0)
+	harvest()
\ No newline at end of file