diff --git a/src/store.ts b/src/store.ts
index 75dc022..faa2b0f 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -369,51 +369,14 @@ export function getClusterResults(fileUuid: string): any[] {
 }
 
 export function setClusterResults(fileUuid: string, results: any[]) {
-  console.log('[setClusterResults] Called with', results.length, 'groups')
-  if (results.length > 0) {
-    console.log('[setClusterResults] First group trace_ids:', results[0]?.trace_ids)
-  }
-  
-  // 直接從 localStorage 讀取自定義名稱，不受 clusterResultsCache 刪除影響
-  let existingNames: Record<string, string> = {}
-  try {
-    const saved = localStorage.getItem('momentry_cluster_results')
-    if (saved) {
-      const savedCache = JSON.parse(saved)
-      const existing = savedCache[fileUuid] || []
-      for (const r of existing) {
-        // Use cluster_id as key (can be integer or string like "Person_0")
-        const key = r.cluster_id ?? r.name
-        if (key && r.name && !r.name.startsWith('Person_') && !r.name.startsWith('Trace ') && !r.name.startsWith('Face Trace ')) {
-          existingNames[String(key)] = r.name
-        }
-      }
-      console.log('[setClusterResults] Loaded custom names from localStorage:', existingNames)
-    }
-  } catch (e) {
-    console.error('[setClusterResults] Failed to read from localStorage:', e)
-  }
-  
   // Create new objects to trigger Vue reactivity
-  const newResults = results.map(r => {
-    const newR = { ...r, trace_ids: [...(r.trace_ids || [])] }
-    // Apply custom names - try matching by cluster_id first, then by original name
-    const cidKey = String(r.cluster_id ?? '')
-    const nameKey = r.name || ''
-    const customName = existingNames[cidKey] || existingNames[nameKey]
-    if (customName) {
-      newR.name = customName
-      console.log('[setClusterResults] Applied custom name:', customName, 'for cluster:', r.cluster_id, '(name:', r.name, ')')
-    }
-    return newR
-  })
+  const newResults = results.map(r => ({
+    ...r,
+    trace_ids: [...(r.trace_ids || [])]
+  }))
   
   clusterResultsCache.value = { ...clusterResultsCache.value, [fileUuid]: newResults }
-  console.log('[setClusterResults] Updated cache for', fileUuid, ':', newResults.length, 'groups')
-  if (newResults.length > 0) {
-    console.log('[setClusterResults] First group after update:', newResults[0])
-  }
-  // Save to localStorage for persistence across page refreshes
+  // Save to localStorage for basic persistence (names now come from database)
   try {
     localStorage.setItem('momentry_cluster_results', JSON.stringify(clusterResultsCache.value))
   } catch (e) {}