diff --git a/.github/workflows/update-readme.yml b/.github/workflows/update-readme.yml
index 12777584..79235148 100644
--- a/.github/workflows/update-readme.yml
+++ b/.github/workflows/update-readme.yml
@@ -35,11 +35,11 @@ jobs:
           echo "📊 开始更新 README 仪表盘..."
 
           # ── 收集实时统计 ──
-          WORKFLOW_COUNT=$(find .github/workflows -name '*.yml' -o -name '*.yaml' | wc -l)
-          AGENT_COUNT=$(node -e "const d=require('./.github/persona-brain/agent-registry.json'); console.log(d.agents ? d.agents.length : 0)")
-          PERSONA_COUNT=$(node -e "const d=require('./.github/persona-brain/persona-registry.json'); console.log(d.personas ? d.personas.length : 0)")
+          WORKFLOW_COUNT=$(find .github/workflows -name '*.yml' -o -name '*.yaml' 2>/dev/null | wc -l)
+          AGENT_COUNT=$(node -e "try{const d=require('./.github/persona-brain/agent-registry.json');console.log(d.agents?d.agents.length:0)}catch(e){console.log(0)}")
+          PERSONA_COUNT=$(node -e "try{const d=require('./.github/persona-brain/persona-registry.json');console.log(d.personas?d.personas.length:0)}catch(e){console.log(0)}")
           GUARD_COUNT=$(find skyeye/guards -name '*.json' ! -name 'template*' 2>/dev/null | wc -l)
-          MODULE_COUNT=$(find . -maxdepth 1 -type d -name 'm[0-9]*' | wc -l)
+          MODULE_COUNT=$(find . -maxdepth 1 -type d -name 'm[0-9]*' 2>/dev/null | wc -l)
           BUFFER_COUNT=$(find buffer/inbox -type f ! -name '.gitkeep' 2>/dev/null | wc -l)
 
           echo "Workflows: $WORKFLOW_COUNT"
@@ -51,26 +51,33 @@ jobs:
 
           # ── 更新 data/system-health.json ──
           NOW=$(date -u -d '+8 hours' '+%Y-%m-%dT%H:%M:%S+08:00')
-          node -e "
-            const fs = require('fs');
-            const health = JSON.parse(fs.readFileSync('data/system-health.json', 'utf8'));
-            health.last_updated = '$NOW';
-            health.metrics.workflows.total = $WORKFLOW_COUNT;
-            health.metrics.ai_personas.total = $PERSONA_COUNT;
-            health.metrics.guards.total = $GUARD_COUNT;
-            health.metrics.guards.active = $GUARD_COUNT;
-            health.metrics.modules.total = $MODULE_COUNT;
-            health.metrics.buffer_pending = $BUFFER_COUNT;
-            fs.writeFileSync('data/system-health.json', JSON.stringify(health, null, 2) + '\n');
-            console.log('✅ system-health.json 已更新');
-          "
+          if [ -f data/system-health.json ]; then
+            node -e "
+              const fs = require('fs');
+              try {
+                const health = JSON.parse(fs.readFileSync('data/system-health.json', 'utf8'));
+                health.last_updated = '$NOW';
+                health.metrics.workflows.total = $WORKFLOW_COUNT;
+                health.metrics.ai_personas.total = $PERSONA_COUNT;
+                health.metrics.guards.total = $GUARD_COUNT;
+                health.metrics.guards.active = $GUARD_COUNT;
+                health.metrics.modules.total = $MODULE_COUNT;
+                health.metrics.buffer_pending = $BUFFER_COUNT;
+                fs.writeFileSync('data/system-health.json', JSON.stringify(health, null, 2) + '\n');
+                console.log('✅ system-health.json 已更新');
+              } catch (e) {
+                console.error('⚠️ system-health.json 更新失败: ' + e.message);
+              }
+            "
+          else
+            echo "⚠️ data/system-health.json 不存在，跳过更新"
+          fi
 
-          # ── 更新 README 中的仪表盘数字 ──
-          # 更新 shields.io 徽章数字
-          sed -i "s|Workflows-[0-9]*-|Workflows-${WORKFLOW_COUNT}-|g" README.md
-          sed -i "s|Agents-[0-9]*-|Agents-${AGENT_COUNT}-|g" README.md
-          sed -i "s|Personas-[0-9]*-|Personas-${PERSONA_COUNT}-|g" README.md
-          sed -i "s|Modules-[0-9]*-|Modules-${MODULE_COUNT}-|g" README.md
+          # ── 更新 README 中的 shields.io 徽章数字 ──
+          sed -i "s|Workflows-[0-9]*-0969da|Workflows-${WORKFLOW_COUNT}-0969da|g" README.md
+          sed -i "s|Agents-[0-9]*-8957e5|Agents-${AGENT_COUNT}-8957e5|g" README.md
+          sed -i "s|Personas-[0-9]*-e85aad|Personas-${PERSONA_COUNT}-e85aad|g" README.md
+          sed -i "s|Modules-[0-9]*-f9a825|Modules-${MODULE_COUNT}-f9a825|g" README.md
 
           echo "✅ README 徽章数字已更新"
 
@@ -81,10 +88,13 @@ jobs:
             const fs = require('fs');
             const path = require('path');
 
-            // 读取 spoke-status 目录
             const spokeDir = 'spoke-status';
-            const files = fs.readdirSync(spokeDir).filter(f => f.startsWith('DEV-') && f.endsWith('.json'));
+            if (!fs.existsSync(spokeDir)) {
+              console.log('⚠️ spoke-status/ 目录不存在，跳过');
+              process.exit(0);
+            }
 
+            const files = fs.readdirSync(spokeDir).filter(f => f.startsWith('DEV-') && f.endsWith('.json'));
             const now = Date.now();
             const DAY_MS = 24 * 60 * 60 * 1000;