diff --git a/frontend/src/pages/business-trip/apply.tsx b/frontend/src/pages/business-trip/apply.tsx
index dc40556..1d24648 100644
--- a/frontend/src/pages/business-trip/apply.tsx
+++ b/frontend/src/pages/business-trip/apply.tsx
@@ -95,11 +95,13 @@ export default function BusinessTripApply() {
     fromSelectionRef.current = !!fromSelection
 
     console.log('📍 Page init:', { fromSelection, initRef: initRef.current })
+    console.log('🔍 SessionStorage keys:', Object.keys(sessionStorage))
 
     // 1. 从选择页面返回：恢复所有人员数据
     if (fromSelection) {
       console.log('🔄 Returning from selection page')
       const approversData = sessionStorage.getItem('selectedApprovers')
+      console.log('📦 approvers data:', approversData)
       if (approversData) {
         setApprovers(JSON.parse(approversData))
         console.log('✅ Restored approvers')
@@ -108,6 +110,7 @@ export default function BusinessTripApply() {
       }
 
       const ccData = sessionStorage.getItem('selectedCc')
+      console.log('📦 cc data:', ccData)
       if (ccData) {
         setCcUsers(JSON.parse(ccData))
         console.log('✅ Restored CC')
@@ -126,6 +129,8 @@ export default function BusinessTripApply() {
 
     // 3. 恢复草稿数据（理由、行程）
     const draftData = sessionStorage.getItem('businessTripDraft')
+    console.log('📦 draft data exists:', !!draftData)
+
     if (draftData) {
       console.log('📦 Restoring draft data')
       try {
@@ -142,6 +147,8 @@ export default function BusinessTripApply() {
         // 恢复草稿关联的人员数据
         const approversData = sessionStorage.getItem('selectedApprovers')
         const ccData = sessionStorage.getItem('selectedCc')
+        console.log('📦 draft approvers:', approversData)
+        console.log('📦 draft cc:', ccData)
         if (approversData) setApprovers(JSON.parse(approversData))
         if (ccData) setCcUsers(JSON.parse(ccData))
       } catch (error) {
@@ -152,25 +159,38 @@ export default function BusinessTripApply() {
 
     // 4. 首次进入且无草稿：加载默认审批人和抄送人
     console.log('🔄 Loading default approvers from backend...')
+    console.log('🔑 Token exists:', !!localStorage.getItem('token'))
+
     const loadDefaultApprovers = async () => {
       // 清除旧数据
+      console.log('🧹 Clearing old selection data')
       sessionStorage.removeItem('selectedApprovers')
       sessionStorage.removeItem('selectedCc')
 
       try {
+        console.log('📡 Calling API...')
         const defaultData = await businessTripApi.getDefaultApprovers()
-        console.log('✅ Default approvers:', defaultData)
+        console.log('✅ API Response:', defaultData)
 
         if (defaultData.approvers && defaultData.approvers.length > 0) {
+          console.log('✅ Setting approvers:', defaultData.approvers)
           setApprovers(defaultData.approvers)
           sessionStorage.setItem('selectedApprovers', JSON.stringify(defaultData.approvers))
+        } else {
+          console.log('⚠️ No approvers in response')
         }
         if (defaultData.cc_users && defaultData.cc_users.length > 0) {
+          console.log('✅ Setting cc_users:', defaultData.cc_users)
           setCcUsers(defaultData.cc_users)
           sessionStorage.setItem('selectedCc', JSON.stringify(defaultData.cc_users))
+        } else {
+          console.log('⚠️ No cc_users in response')
         }
-      } catch (error) {
-        console.error('❌ Failed to load default approvers:', error)
+
+        console.log('📊 Final state - approvers:', defaultData.approvers?.length, 'cc:', defaultData.cc_users?.length)
+      } catch (error: any) {
+        console.error('❌ Failed to load default approvers:', error.message)
+        console.error('❌ Error details:', error)
       }
     }