修复语法错误

server/prometheus-service.js

@@ -611,6 +611,7 @@ async function getServerDetails(baseUrl, instance, job, settings = {}) {
 
     // 2. Fallback to Prometheus Targets API
     if (!foundIp) {
+      try {
         const targets = await getTargets(baseUrl);
         const matchedTarget = targets.find(t => t.labels && t.labels.instance === node && t.labels.job === job);
         if (matchedTarget) {
@@ -627,16 +628,17 @@ async function getServerDetails(baseUrl, instance, job, settings = {}) {
             }
             foundIp = true;
           } catch (e) {
-            results.ipv4 = [];
+            // Simple fallback if URL parsing fails
+            const host = scrapeUrl.split('//').pop().split('/')[0].split(':')[0];
+            if (host) {
+              results.ipv4 = [host];
               results.ipv6 = [];
+              foundIp = true;
             }
-        } else {
-          results.ipv4 = [];
-          results.ipv6 = [];
           }
-      } else {
-        results.ipv4 = [];
-        results.ipv6 = [];
+        }
+      } catch (e) {
+        console.error(`[Prometheus] Error fetching target info for ${node}:`, e.message);
       }
     }
 
@@ -646,8 +648,8 @@ async function getServerDetails(baseUrl, instance, job, settings = {}) {
     }
   } catch (err) {
     console.error(`[Prometheus] Critical error resolving IPs for ${node}:`, err.message);
-    results.ipv4 = [];
-    results.ipv6 = [];
+    results.ipv4 = results.ipv4 || [];
+    results.ipv6 = results.ipv6 || [];
   }
 
   // Group partitions