diff --git a/research-wiki/findings/m4-acceptance.md b/research-wiki/findings/m4-acceptance.md
new file mode 100644
index 0000000..6535250
--- /dev/null
+++ b/research-wiki/findings/m4-acceptance.md
@@ -0,0 +1,9 @@
+---
+type: finding
+node_id: finding:m4-acceptance
+title: "M4 迁移验收(GovDoc+CHS)"
+date: 2026-07-22
+---
+
+# M4 迁移验收(GovDoc+CHS)
+
diff --git a/research-wiki/graph/edges.json b/research-wiki/graph/edges.json
index 8d850a5..e2f9eb6 100644
--- a/research-wiki/graph/edges.json
+++ b/research-wiki/graph/edges.json
@@ -85,6 +85,11 @@
       "id": "plan:m4-migration",
       "label": "M4 迁移实现计划(T0-T14)",
       "type": "plan"
+    },
+    {
+      "id": "finding:m4-acceptance",
+      "label": "M4 迁移验收(GovDoc+CHS)",
+      "type": "finding"
     }
   ],
   "links": [
diff --git a/research-wiki/index.md b/research-wiki/index.md
index 04653fc..97cf95b 100644
--- a/research-wiki/index.md
+++ b/research-wiki/index.md
@@ -1,6 +1,6 @@
 # Research Wiki 索引
 
-> 自动生成，更新时间：2026-07-22 09:33 UTC
+> 自动生成，更新时间：2026-07-22 14:36 UTC
 
 ## design (10)
 - [2026-07-20-m1-core-design](designs/2026-07-20-m1-core-design.md) `design:2026-07-20-m1-core-design`
@@ -14,14 +14,16 @@
 - [M3 OCR 端口族设计](designs/m3-ocr.md) `design:m3-ocr`
 - [M4 迁移验证设计(GovDoc→CHS,发 v1.0)](designs/m4-migration.md) `design:m4-migration`
 
-## finding (9)
+## finding (11)
 - [2026-07-20-m2-soak-workload](findings/2026-07-20-m2-soak-workload.md) `finding:2026-07-20-m2-soak-workload`
 - [2026-07-21-m25-acceptance](findings/2026-07-21-m25-acceptance.md) `finding:2026-07-21-m25-acceptance`
 - [2026-07-21-p6-soak-baseline](findings/2026-07-21-p6-soak-baseline.md) `finding:2026-07-21-p6-soak-baseline`
+- [2026-07-22-m4-acceptance](findings/2026-07-22-m4-acceptance.md) `finding:2026-07-22-m4-acceptance`
 - [2026-07-22-p7-ocr-soak](findings/2026-07-22-p7-ocr-soak.md) `finding:2026-07-22-p7-ocr-soak`
 - [M2 verifier 三项 Important 补齐(不变量接线/网关保护/P3 验收)](findings/m2-verifier-fixes.md) `finding:m2-verifier-fixes`
 - [M2 真实数据压测: 场景矩阵与数据清单](findings/m2-soak-workload.md) `finding:m2-soak-workload`
 - [M2.5 验收: P6 同场景 58.1% → 98.96%](findings/m25-acceptance.md) `finding:m25-acceptance`
+- [M4 迁移验收(GovDoc+CHS)](findings/m4-acceptance.md) `finding:m4-acceptance`
 - [P6 混合浸泡首跑基线与记分板三重伪击穿修复](findings/p6-soak-baseline.md) `finding:p6-soak-baseline`
 - [P7 OCR soak 验收: 99.73% 与 13 不变量全 PASS](findings/p7-ocr-soak.md) `finding:p7-ocr-soak`
 
diff --git a/research-wiki/log.md b/research-wiki/log.md
index f590464..ceaba95 100644
--- a/research-wiki/log.md
+++ b/research-wiki/log.md
@@ -44,3 +44,5 @@
 - [2026-07-22 09:33 UTC] 新增 plan: M4 迁移实现计划(T0-T14) (plan:m4-migration)
 - [2026-07-22 09:33 UTC] 新增边: plan:m4-migration --implements--> design:m4-migration
 - [2026-07-22 09:33 UTC] 重建索引: 32 篇页面
+- [2026-07-22 14:36 UTC] 新增 finding: M4 迁移验收(GovDoc+CHS) (finding:m4-acceptance)
+- [2026-07-22 14:36 UTC] 重建索引: 34 篇页面