From 2cd6c6ef277802629ebe76621373c3e04fa3dd15 Mon Sep 17 00:00:00 2001
From: CN-JS-HuiBai <huyang@littlediary.cn>
Date: Fri, 10 Apr 2026 22:25:04 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=AF=AD=E6=B3=95=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
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---
 server/prometheus-service.js | 46 +++++++++++++++++++-----------------
 1 file changed, 24 insertions(+), 22 deletions(-)

diff --git a/server/prometheus-service.js b/server/prometheus-service.js
index d0dca3c..9f9d68f 100644
--- a/server/prometheus-service.js
+++ b/server/prometheus-service.js
@@ -611,32 +611,34 @@ async function getServerDetails(baseUrl, instance, job, settings = {}) {
 
     // 2. Fallback to Prometheus Targets API
     if (!foundIp) {
-      const targets = await getTargets(baseUrl);
-      const matchedTarget = targets.find(t => t.labels && t.labels.instance === node && t.labels.job === job);
-      if (matchedTarget) {
+      try {
+        const targets = await getTargets(baseUrl);
+        const matchedTarget = targets.find(t => t.labels && t.labels.instance === node && t.labels.job === job);
+        if (matchedTarget) {
           const scrapeUrl = matchedTarget.scrapeUrl || '';
           try {
-              const urlObj = new URL(scrapeUrl);
-              const host = urlObj.hostname;
-              if (host.includes(':')) {
-                  results.ipv6 = [host];
-                  results.ipv4 = [];
-              } else {
-                  results.ipv4 = [host];
-                  results.ipv6 = [];
-              }
+            const urlObj = new URL(scrapeUrl);
+            const host = urlObj.hostname;
+            if (host.includes(':')) {
+              results.ipv6 = [host];
+              results.ipv4 = [];
+            } else {
+              results.ipv4 = [host];
+              results.ipv6 = [];
+            }
             foundIp = true;
           } catch (e) {
-            results.ipv4 = [];
-            results.ipv6 = [];
+            // 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