From 3c7b0b8c8e942e40c86e65824672a8004cf5875f Mon Sep 17 00:00:00 2001
From: Mrs4s <mrs4sxiaoshi@gmail.com>
Date: Mon, 9 Nov 2020 15:26:24 +0800
Subject: [PATCH] fix light app decode bug.

---
 message/message.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/message/message.go b/message/message.go
index 7d71b1d2..00392a9a 100644
--- a/message/message.go
+++ b/message/message.go
@@ -366,16 +366,16 @@ func ParseMessageElems(elems []*msg.Elem) []IMessageElement {
 			}
 		}
 		if elem.LightApp != nil && len(elem.LightApp.Data) > 1 {
-			var content string
+			var content []byte
 			if elem.LightApp.Data[0] == 0 {
-				content = string(elem.LightApp.Data[1:])
+				content = elem.LightApp.Data[1:]
 			}
 			if elem.LightApp.Data[0] == 1 {
-				content = string(binary.ZlibUncompress(elem.LightApp.Data[1:]))
+				content = binary.ZlibUncompress(elem.LightApp.Data[1:])
 			}
-			if content != "" {
+			if len(content) > 0 && len(content) < 1024*1024*1024 { // 解析出错 or 非法内容
 				// TODO: 解析具体的APP
-				return append(res, &LightAppElement{Content: content})
+				return append(res, &LightAppElement{Content: string(content)})
 			}
 		}
 		if elem.VideoFile != nil {