A: 增加了对空指针的判断

LAShZ · LAShZ · commit bc8fc6bf4ba5 · 2021-06-11T22:39:06.000+08:00
diff --git a/client.go b/client.go
@@ -54,6 +54,7 @@ func (s *Client) Free() {
 		return
 	}
 	C.DestroySdk(s.ptr)
+	s.ptr = nil
 }
 
 /**
