From 8988e84a0154676d78dba3882993e8a9c39903f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=98=94=E5=BF=B5?=
 <12574910+72wo@users.noreply.github.com>
Date: Sun, 8 Feb 2026 12:18:23 +0800
Subject: [PATCH] 1

---
 common/utils/sturc/fields.go | 7 +++++++
 logic/service/space/info.go  | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/common/utils/sturc/fields.go b/common/utils/sturc/fields.go
index 4aaca0ea8..02207b765 100644
--- a/common/utils/sturc/fields.go
+++ b/common/utils/sturc/fields.go
@@ -159,6 +159,13 @@ func (f Fields) Unpack(r io.Reader, val reflect.Value, options *Options) error {
 				}
 			} else {
 				size := length * field.Type.Resolve(options).Size()
+				
+				// 添加大小限制，防止分配过大的内存
+				const maxSize = 1024 * 1024 // 1MB 限制，可根据需求调整
+				if size > maxSize {
+					return fmt.Errorf("buffer size too large: %d bytes, max allowed: %d", size, maxSize)
+				}
+				
 				if size < 8 {
 					buf = tmp[:size]
 				} else {
diff --git a/logic/service/space/info.go b/logic/service/space/info.go
index 0fc2d1670..ff1d651a4 100644
--- a/logic/service/space/info.go
+++ b/logic/service/space/info.go
@@ -36,6 +36,6 @@ type WalkInInfo struct {
 	// Point: 直接给坐标x，y
 	Point model.Pos `fieldDesc:"直接给坐标x，y"`
 
-	PathLen uint32 `struc:"sizeof=Path" `
+	PathLen uint32 `struc:"sizeof=Path"`
 	Path    string
 }