diff --git a/.github/workflows/deputy-message-board.yml b/.github/workflows/deputy-message-board.yml
index 5c3c02ef..7294e9ee 100644
--- a/.github/workflows/deputy-message-board.yml
+++ b/.github/workflows/deputy-message-board.yml
@@ -33,7 +33,8 @@ jobs:
           node-version: '20'
 
       - name: "📦 安装依赖"
-        run: npm install --omit=dev --ignore-scripts 2>/dev/null || true
+        run: |
+          npm install --omit=dev --ignore-scripts || echo "⚠️ 依赖安装异常·部分功能可能受限"
 
       - name: "🎖️ 副将处理留言"
         env:
diff --git a/scripts/hldp-sync-engine.js b/scripts/hldp-sync-engine.js
index 44f7b472..b770b6da 100644
--- a/scripts/hldp-sync-engine.js
+++ b/scripts/hldp-sync-engine.js
@@ -47,10 +47,15 @@ function generateSyncReport() {
   const snapshotCount = countFiles(SNAPSHOTS_DIR, '.json');
   const evolutionCount = evolutionLog?.payload?.entries?.length || 0;
 
+  const evolutionEntries = evolutionLog?.payload?.entries || [];
+  const evolutionCount = evolutionEntries.length;
+
   progress.payload.github_side_status.vocabulary_count = vocabCount;
   progress.payload.github_side_status.schema_count = schemaCount;
   progress.payload.github_side_status.snapshots = snapshotCount;
-  progress.payload.github_side_status.last_evolution = evolutionLog?.payload?.entries?.[evolutionLog.payload.entries.length - 1]?.evolution_id || 'N/A';
+  progress.payload.github_side_status.last_evolution = evolutionCount > 0
+    ? evolutionEntries[evolutionCount - 1].evolution_id
+    : 'N/A';
 
   // Update common protocol status
   progress.payload.common_protocol_status.evolution_entries = evolutionCount;