diff --git a/includes/memhub.vp b/includes/memhub.vp
index 9204c39..c198ec5 100644
--- a/includes/memhub.vp
+++ b/includes/memhub.vp
@@ -908,6 +908,16 @@ class MemBuddy(MemManager):
                         cis: t.CUInt64T = self._det_records[idx2 * 2 + 1]
                         stdio.printf("[%d]ptr=%llu sz=%llu ", ci2, cip, cis & (free_flag - 1))
                     ci2 += 1
+                # 重叠检测：同一 ptr 是否有多条记录（alloc 重叠实锤——不同 size
+                # 请求拿到同一块 → 互相覆盖；如 Token(72B) 与字符串 buf(7B) 共用块）
+                stdio.printf("\n同ptr记录: ")
+                ci3: t.CSizeT = 0
+                while ci3 < self._det_count:
+                    cp3: t.CUInt64T = self._det_records[ci3 * 2]
+                    cs3: t.CUInt64T = self._det_records[ci3 * 2 + 1]
+                    if cp3 == p and (cs3 & free_flag) == 0:
+                        stdio.printf("[%zu]sz=%llu ", ci3, cs3 & (free_flag - 1))
+                    ci3 += 1
                 stdio.printf("\n")
                 stdlib.exit(1)
             i += 1