diff --git a/docs/changelogs/CHANGELOG.v1.4.8.md b/docs/changelogs/CHANGELOG.v1.4.8.md
new file mode 100644
index 00000000..6c16a173
--- /dev/null
+++ b/docs/changelogs/CHANGELOG.v1.4.8.md
@@ -0,0 +1,11 @@
+# v1.4.8
+
+QQ Version: Windows 9.9.10-24108 / Linux 3.2.7-23361
+
+## 修复与优化
+* 优化Guide的生成方式
+
+## 新增与调整
+
+
+新增的 API 详细见[API文档](https://napneko.github.io/zh-CN/develop/extends_api)
\ No newline at end of file
diff --git a/src/core b/src/core
index 7843d818..dda2a675 160000
--- a/src/core
+++ b/src/core
@@ -1 +1 @@
-Subproject commit 7843d818efd4df7f709b37f8c9ec0c07a3b6b002
+Subproject commit dda2a6754c21c62ee3fdf8e639f23da9bb157cf1
diff --git a/src/proto/SysMessage.MemberDecrease.proto b/src/proto/SysMessage.MemberDecrease.proto
index 8134e89a..062a660a 100644
--- a/src/proto/SysMessage.MemberDecrease.proto
+++ b/src/proto/SysMessage.MemberDecrease.proto
@@ -1,28 +1,28 @@
-syntax = "proto3";
-package SysMessage;
-message Data  {
-    repeated Header header = 1;
-    repeated Body body = 2;
-    repeated Other other = 2;
-}
-message Header {
-        uint32  PeerNumber = 1;
-        string PeerString = 2;
-        uint32   Uin = 5;
-        optional string Uid = 6;
- }  
-message Body {
-        uint32  MsgType = 1;
-        uint32  SubType_0 = 2;
-        uint32  SubType_1 = 3;
-        uint32  MsgSeq=  5;
-        uint32  Time = 6;
-        uint64  MsgID = 12;
-        uint32  Other = 13;
-}
-message Event {
-    
-}  
-message Other {
-        repeated Event event = 2;
-}  
\ No newline at end of file
+syntax = "proto3";
+package SysMessage;
+message Data  {
+    repeated Header header = 1;
+    repeated Body body = 2;
+    repeated Other other = 2;
+}
+message Header {
+        uint32  PeerNumber = 1;
+        string PeerString = 2;
+        uint32   Uin = 5;
+        optional string Uid = 6;
+ }  
+message Body {
+        uint32  MsgType = 1;
+        uint32  SubType_0 = 2;
+        uint32  SubType_1 = 3;
+        uint32  MsgSeq=  5;
+        uint32  Time = 6;
+        uint64  MsgID = 12;
+        uint32  Other = 13;
+}
+message Event {
+    
+}  
+message Other {
+        repeated Event event = 2;
+}