diff --git a/practise/practise.cpp b/practise/practise.cpp
index dabe1a9..3891495 100644
--- a/practise/practise.cpp
+++ b/practise/practise.cpp
@@ -45,6 +45,7 @@ public:
 	//利用vector来存储蛇的节点
 	std::vector<Base> nodes;
 	Direction direction;
+	
 	Snake() {
 		//默认向右移动
 		direction = RIGHT;
@@ -58,6 +59,30 @@ public:
 			nodes[i].show();
 		}
 	}
+	//给爷动起来！
+	void MoveInDirection() {
+
+		if (GetAsyncKeyState(37)) {
+			if(direction!=LEFT) {
+				direction = LEFT;
+			}
+		}
+		else if (GetAsyncKeyState(38)) {
+			if (direction != UP) {
+				direction = LEFT;
+			}
+		}
+		else if (GetAsyncKeyState(39)) {
+			if (direction != RIGHT) {
+				direction = LEFT;
+			}
+		}
+		else if (GetAsyncKeyState(40)) {
+			if (direction != DOWN) {
+				direction = LEFT;
+			}
+		}
+	}
 };
 class Food : public Base {
 public: