diff --git a/frontend/src/features/solutions/SolutionLinkPanel.tsx b/frontend/src/features/solutions/SolutionLinkPanel.tsx
index 91712f0..1eb8e2c 100644
--- a/frontend/src/features/solutions/SolutionLinkPanel.tsx
+++ b/frontend/src/features/solutions/SolutionLinkPanel.tsx
@@ -16,10 +16,12 @@ const LINK_TYPE_LABELS: Record<string, string> = {
 
 export function SolutionLinkPanel({
   ticketId,
-  onTicketChanged
+  onTicketChanged,
+  onLinkedSolutionsChange
 }: {
   ticketId: number
   onTicketChanged?: () => void
+  onLinkedSolutionsChange?: (solutions: TicketSolution[]) => void
 }) {
   const [solutions, setSolutions] = React.useState<Solution[]>([])
   const [linkedSolutions, setLinkedSolutions] = React.useState<TicketSolution[]>([])
@@ -29,7 +31,15 @@ export function SolutionLinkPanel({
 
   function refresh() {
     listSolutions({ status: 'published' }).then(setSolutions).catch(() => setSolutions([]))
-    listTicketSolutions(ticketId).then(setLinkedSolutions).catch(() => setLinkedSolutions([]))
+    listTicketSolutions(ticketId)
+      .then((links) => {
+        setLinkedSolutions(links)
+        onLinkedSolutionsChange?.(links)
+      })
+      .catch(() => {
+        setLinkedSolutions([])
+        onLinkedSolutionsChange?.([])
+      })
   }
 
   React.useEffect(() => {
diff --git a/frontend/src/features/solutions/solutionSelection.ts b/frontend/src/features/solutions/solutionSelection.ts
new file mode 100644
index 0000000..4b6e76b
--- /dev/null
+++ b/frontend/src/features/solutions/solutionSelection.ts
@@ -0,0 +1,14 @@
+import type { TicketSolution } from './types'
+
+const LINK_TYPE_WEIGHT: Record<string, number> = {
+  adopted: 2,
+  referenced: 1
+}
+
+export function selectDefaultTicketSolution(links: TicketSolution[]) {
+  return [...links].sort((left, right) => {
+    const weightDiff = (LINK_TYPE_WEIGHT[right.link_type] ?? 0) - (LINK_TYPE_WEIGHT[left.link_type] ?? 0)
+    if (weightDiff !== 0) return weightDiff
+    return new Date(right.created_at).getTime() - new Date(left.created_at).getTime()
+  })[0]
+}
diff --git a/frontend/src/features/tickets/TicketDetailPage.tsx b/frontend/src/features/tickets/TicketDetailPage.tsx
index ab5793f..e16b1e3 100644
--- a/frontend/src/features/tickets/TicketDetailPage.tsx
+++ b/frontend/src/features/tickets/TicketDetailPage.tsx
@@ -13,6 +13,8 @@ import { Button } from '@/components/ui/button'
 import { Card, CardContent } from '@/components/ui/card'
 import { Separator } from '@/components/ui/separator'
 import { SolutionLinkPanel } from '@/features/solutions/SolutionLinkPanel'
+import { selectDefaultTicketSolution } from '@/features/solutions/solutionSelection'
+import type { TicketSolution } from '@/features/solutions/types'
 import { formatDateTime } from '@/lib/format'
 
 import { getTicket, listTicketEvents, transitionTicket } from './api'
@@ -64,6 +66,7 @@ export function TicketDetailPage({ ticketId }: { ticketId: number }) {
   const [targetActionLabel, setTargetActionLabel] = React.useState('')
   const [transitionDialogOpen, setTransitionDialogOpen] = React.useState(false)
   const [transitionError, setTransitionError] = React.useState('')
+  const [linkedSolutions, setLinkedSolutions] = React.useState<TicketSolution[]>([])
 
   React.useEffect(() => {
     refreshTicket()
@@ -127,6 +130,15 @@ export function TicketDetailPage({ ticketId }: { ticketId: number }) {
   }
 
   const nextStatuses = getTicketNextStatuses(ticket.category_code, ticket.status)
+  const defaultLinkedSolution = selectDefaultTicketSolution(linkedSolutions)
+  const transitionDefaultResolution =
+    targetStatus === 'resolved' || targetStatus === 'closed'
+      ? ticket.resolution || defaultLinkedSolution?.solution.solution || ''
+      : ''
+  const transitionDefaultRemark =
+    targetStatus === 'closed' && transitionDefaultResolution && !ticket.resolution
+      ? '根据关联解决方案关闭工单'
+      : ''
 
   return (
     <AppPage maxWidth="6xl">
@@ -195,6 +207,7 @@ export function TicketDetailPage({ ticketId }: { ticketId: number }) {
               <TicketMetaPanel ticket={ticket} />
               <SolutionLinkPanel
                 ticketId={ticket.id}
+                onLinkedSolutionsChange={setLinkedSolutions}
                 onTicketChanged={() => {
                   refreshTicket()
                   refreshEvents()
@@ -254,6 +267,8 @@ export function TicketDetailPage({ ticketId }: { ticketId: number }) {
           open={transitionDialogOpen}
           status={targetStatus}
           actionLabel={targetActionLabel}
+          defaultResolution={transitionDefaultResolution}
+          defaultRemark={transitionDefaultRemark}
           onOpenChange={setTransitionDialogOpen}
           onSubmit={handleTransition}
         />
diff --git a/frontend/src/features/tickets/TicketTransitionDialog.tsx b/frontend/src/features/tickets/TicketTransitionDialog.tsx
index c005bbf..b8e45cd 100644
--- a/frontend/src/features/tickets/TicketTransitionDialog.tsx
+++ b/frontend/src/features/tickets/TicketTransitionDialog.tsx
@@ -26,6 +26,8 @@ type TicketTransitionDialogProps = {
   open: boolean
   status: TicketStatus | null
   actionLabel?: string
+  defaultResolution?: string
+  defaultRemark?: string
   onOpenChange: (open: boolean) => void
   onSubmit: (
     status: TicketStatus,
@@ -42,6 +44,8 @@ export function TicketTransitionDialog({
   open,
   status,
   actionLabel: customActionLabel,
+  defaultResolution = '',
+  defaultRemark = '',
   onOpenChange,
   onSubmit
 }: TicketTransitionDialogProps) {
@@ -51,16 +55,22 @@ export function TicketTransitionDialog({
   const [submitting, setSubmitting] = React.useState(false)
   const actionLabel = customActionLabel ?? (status ? STATUS_ACTION_LABELS[status] ?? '调整状态' : '调整状态')
   const isResolveAction = status === 'resolved'
+  const isOutcomeAction = status === 'resolved' || status === 'closed'
   const canSubmit = isResolveAction ? Boolean((resolution || remark).trim()) : Boolean(remark.trim())
 
   React.useEffect(() => {
-    if (!open) {
-      setRemark('')
-      setResolution('')
+    if (open) {
+      setRemark(defaultRemark)
+      setResolution(defaultResolution)
       setRepliedToCustomer(true)
       setSubmitting(false)
+      return
     }
-  }, [open])
+    setRemark('')
+    setResolution('')
+    setRepliedToCustomer(true)
+    setSubmitting(false)
+  }, [defaultRemark, defaultResolution, open])
 
   async function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
     event.preventDefault()
@@ -86,14 +96,14 @@ export function TicketTransitionDialog({
           <DialogHeader>
             <DialogTitle>{actionLabel}</DialogTitle>
             <DialogDescription>
-              {isResolveAction ? '填写本次处理结论，系统会同步记录到工单详情和流转时间线。' : '请说明本次流转的原因、处理动作或待确认事项。'}
+              {isOutcomeAction ? '填写本次处理结论，系统会同步记录到工单详情和流转时间线。' : '请说明本次流转的原因、处理动作或待确认事项。'}
             </DialogDescription>
           </DialogHeader>
-          {isResolveAction ? (
-            <AppField label="解决方案" htmlFor="transition-resolution" required>
+          {isOutcomeAction ? (
+            <AppField label="解决方案" htmlFor="transition-resolution" required={isResolveAction}>
               <Textarea
                 id="transition-resolution"
-                required
+                required={isResolveAction}
                 minLength={2}
                 placeholder="例如：已查询采集进度，当前已完成 80%，预计今日完成。"
                 value={resolution}
@@ -101,17 +111,17 @@ export function TicketTransitionDialog({
               />
             </AppField>
           ) : null}
-          <AppField label={isResolveAction ? '处理说明' : '处理说明'} htmlFor="transition-remark" required={!isResolveAction}>
+          <AppField label="处理说明" htmlFor="transition-remark" required={!isResolveAction}>
             <Textarea
               id="transition-remark"
               required={!isResolveAction}
               minLength={2}
-              placeholder={isResolveAction ? '可补充内部排查说明。' : '例如：已完成日志排查，定位为配置变更导致，提交业务侧确认。'}
+              placeholder={isOutcomeAction ? '可补充内部排查说明。' : '例如：已完成日志排查，定位为配置变更导致，提交业务侧确认。'}
               value={remark}
               onChange={(event) => setRemark(event.target.value)}
             />
           </AppField>
-          {isResolveAction ? (
+          {isOutcomeAction ? (
             <div className="flex items-center justify-between rounded-md border border-border p-3">
               <div className="grid gap-1">
                 <span className="text-sm font-medium text-foreground">已回复客户</span>