diff --git a/sundynix-desktop/frontend/src/shell/TopBar.tsx b/sundynix-desktop/frontend/src/shell/TopBar.tsx
index 26d369a..e35ba16 100644
--- a/sundynix-desktop/frontend/src/shell/TopBar.tsx
+++ b/sundynix-desktop/frontend/src/shell/TopBar.tsx
@@ -10,12 +10,20 @@ import { cn } from "../ui";
 const DRAG = { "--wails-draggable": "drag" } as CSSProperties;
 const NODRAG = { "--wails-draggable": "no-drag" } as CSSProperties;
 
-function Light({ on, label }: { on: boolean; label: string }) {
-  const dot = on ? "bg-success shadow-[0_0_8px_rgba(52,211,153,0.7)]" : "bg-danger";
+// 系统状态：把 5 项基建健康收成一个整体状态点（客户不看数据库名，异常时 tooltip 提示项数）。
+function SystemStatus({ h }: { h: ReturnType<typeof useHealth> }) {
+  const down = [h.gateway, h.db, h.nats, h.milvus, h.neo4j].filter((v) => !v).length;
+  const ok = down === 0;
   return (
-    <span className="flex items-center gap-1.5 text-[11px] text-slate-500" title={`${label} ${on ? "在线" : "离线"}`}>
-      <span className={cn("h-1.5 w-1.5 rounded-full", dot)} />
-      {label}
+    <span
+      title={ok ? "所有服务运行正常" : `${down} 项服务暂不可用`}
+      className={cn(
+        "flex items-center gap-1.5 rounded-full border px-2.5 py-1 text-[11px]",
+        ok ? "border-line text-slate-500" : "border-warn/40 text-warn",
+      )}
+    >
+      <span className={cn("h-1.5 w-1.5 rounded-full", ok ? "bg-success" : "bg-warn")} />
+      {ok ? "系统正常" : "部分异常"}
     </span>
   );
 }
@@ -140,12 +148,8 @@ export function TopBar({ user, tenant, tenants = [], onSwitchTenant, space, spac
         搜索与命令
         <kbd className="rounded border border-line px-1 font-mono text-[10px] text-slate-500">⌘K</kbd>
       </button>
-      <div className="ml-2 flex items-center gap-3">
-        <Light on={h.gateway} label="Gateway" />
-        <Light on={h.db} label="DB" />
-        <Light on={h.nats} label="NATS" />
-        <Light on={h.milvus} label="Milvus" />
-        <Light on={h.neo4j} label="Neo4j" />
+      <div className="ml-2">
+        <SystemStatus h={h} />
       </div>
       <div className="ml-auto flex items-center gap-2" style={NODRAG}>
         <TenantSwitcher tenants={tenants} activeId={tenant?.tenant?.id} onSwitch={onSwitchTenant} />
diff --git a/sundynix-desktop/frontend/src/studio/nodeCatalog.ts b/sundynix-desktop/frontend/src/studio/nodeCatalog.ts
index a84cc88..cc2302d 100644
--- a/sundynix-desktop/frontend/src/studio/nodeCatalog.ts
+++ b/sundynix-desktop/frontend/src/studio/nodeCatalog.ts
@@ -45,10 +45,10 @@ export const NODE_KINDS: Record<string, NodeKind> = {
   },
   retriever: {
     kind: "retriever",
-    label: "检索 (RAG)",
+    label: "知识检索",
     accent: "border-l-sky-500",
     badge: "bg-sky-100 text-sky-700",
-    desc: "绑定知识库做混合检索",
+    desc: "从知识库检索相关内容",
     fields: [
       { key: "kb", label: "知识库", type: "select", options: ["（未建库）", "合同库", "判例库"], required: true },
       { key: "topK", label: "TopK", type: "number" },
diff --git a/sundynix-desktop/frontend/src/views/KbView.tsx b/sundynix-desktop/frontend/src/views/KbView.tsx
index 7949940..ccc331f 100644
--- a/sundynix-desktop/frontend/src/views/KbView.tsx
+++ b/sundynix-desktop/frontend/src/views/KbView.tsx
@@ -77,15 +77,16 @@ interface FileJob {
 }
 type KbTab = "ingest" | "vault" | "search" | "graph";
 
+// key 对齐后端事件阶段（勿改）；label 用「结果语言」，不暴露 Milvus/Bleve/Neo4j 等实现名。
 const STAGE: Record<string, { icon: LucideIcon; label: string }> = {
   解析: { icon: Upload, label: "解析文件" },
   解析完成: { icon: FileText, label: "解析完成" },
-  切块: { icon: Scissors, label: "切块" },
-  向量化: { icon: Sparkles, label: "向量化" },
-  写Milvus: { icon: Database, label: "写入向量库" },
-  写Bleve: { icon: Search, label: "写入全文索引" },
-  抽实体: { icon: Network, label: "抽取知识" },
-  写Neo4j: { icon: Share2, label: "写入图谱" },
+  切块: { icon: Scissors, label: "拆分段落" },
+  向量化: { icon: Sparkles, label: "理解内容" },
+  写Milvus: { icon: Database, label: "建立语义索引" },
+  写Bleve: { icon: Search, label: "建立全文索引" },
+  抽实体: { icon: Network, label: "提取知识点" },
+  写Neo4j: { icon: Share2, label: "构建知识关系" },
   完成: { icon: CheckCircle2, label: "完成" },
   失败: { icon: XCircle, label: "失败" },
 };
@@ -395,23 +396,22 @@ export function KbView({ identity, spaceId = "", spaceReadOnly = false }: { iden
 
         {tab === "search" && (
           <div className="h-full overflow-y-auto p-4">
-            <h3 className="mb-2 text-xs font-semibold text-slate-400">检索调试台 · 「{kb}」（混合召回 + rerank）</h3>
+            <h3 className="mb-2 text-xs font-semibold text-slate-400">在「{kb}」中搜索</h3>
             <div className="flex max-w-3xl gap-2">
-              <Input className="flex-1" value={q} onChange={(e) => setQ(e.target.value)} onKeyDown={(e) => e.key === "Enter" && onSearch()} placeholder="输入查询，语义召回相关片段…" />
+              <Input className="flex-1" value={q} onChange={(e) => setQ(e.target.value)} onKeyDown={(e) => e.key === "Enter" && onSearch()} placeholder="输入问题或关键词，查找相关内容…" />
               <Input type="number" className="w-16" value={topK} min={1} max={20} onChange={(e) => setTopK(Number(e.target.value))} title="TopK" />
               <Button variant="primary" size="md" icon={Search} onClick={onSearch} disabled={searching || !q.trim()}>
                 {searching ? "检索中…" : "检索"}
               </Button>
             </div>
             <ul className="mt-3 max-w-3xl space-y-2">
-              {hits === null && <li className="text-xs text-slate-600">输入查询后展示命中片段与分数。</li>}
-              {hits !== null && hits.length === 0 && <li className="text-xs text-slate-600">无命中（该库为空或 RAG 未配置）。</li>}
+              {hits === null && <li className="text-xs text-slate-600">输入问题后，这里会列出最相关的内容片段。</li>}
+              {hits !== null && hits.length === 0 && <li className="text-xs text-slate-600">没有找到相关内容（该库可能为空）。</li>}
               {hits?.map((h, i) => (
                 <li key={i} className="rounded-lg border border-line bg-ink-850 p-2">
                   <div className="mb-1 flex items-center gap-2 text-[10px]">
-                    <Badge tone="accent">混合检索</Badge>
                     <span className="text-slate-600">#{i + 1}</span>
-                    <span className="ml-auto font-mono text-brand-400">{h.score.toFixed(3)}</span>
+                    <span className="ml-auto font-mono text-slate-500" title="相关度">{(h.score * 100).toFixed(0)}%</span>
                   </div>
                   <div className="text-xs text-slate-300">{h.text}</div>
                 </li>
@@ -423,7 +423,7 @@ export function KbView({ identity, spaceId = "", spaceReadOnly = false }: { iden
         {tab === "graph" && (
           <div className="h-full overflow-y-auto p-4">
             <div className="mb-2 flex max-w-3xl items-center justify-between">
-              <h3 className="text-xs font-semibold text-slate-400">知识图谱 · 「{kb}」（Neo4j · 力导向）</h3>
+              <h3 className="text-xs font-semibold text-slate-400">「{kb}」知识关系图谱</h3>
               <Button size="sm" icon={Network} onClick={onGraph}>
                 刷新图谱
               </Button>
@@ -613,7 +613,7 @@ function VaultPanel({ identity, kb, spaceReadOnly = false }: { identity: Identit
               </Button>
             </>
           )}
-          <span className="ml-auto text-[10px] text-slate-600">笔记支持 [[双链]]；保存后重建索引与图谱</span>
+          <span className="ml-auto text-[10px] text-slate-600">支持 [[双链]] 关联；保存后自动更新搜索</span>
         </div>
 
         {mode === "graph" ? (
diff --git a/sundynix-desktop/frontend/src/views/RunsView.tsx b/sundynix-desktop/frontend/src/views/RunsView.tsx
index dcb0f5d..c735d96 100644
--- a/sundynix-desktop/frontend/src/views/RunsView.tsx
+++ b/sundynix-desktop/frontend/src/views/RunsView.tsx
@@ -79,7 +79,7 @@ export function RunsView({ run }: { run: RunState }) {
   const statusCls =
     cur.phase === "streaming" ? "text-accent-400" : cur.phase === "done" ? "text-success" : cur.phase === "error" ? "text-danger" : "text-slate-500";
   const statusText =
-    cur.phase === "streaming" ? "流式中…" : cur.phase === "done" ? "完成 ✓" : cur.phase === "error" ? `✗ ${cur.error ?? "出错"}` : cur.phase === "submitting" ? "提交中…" : "就绪";
+    cur.phase === "streaming" ? "生成中…" : cur.phase === "done" ? "完成 ✓" : cur.phase === "error" ? `✗ ${cur.error ?? "出错"}` : cur.phase === "submitting" ? "提交中…" : "就绪";
 
   return (
     <div className="flex h-full min-h-0 flex-col gap-3 overflow-hidden p-6">
@@ -145,7 +145,7 @@ export function RunsView({ run }: { run: RunState }) {
           {cur.output ? (
             <OutputView output={cur.output} />
           ) : (
-            <EmptyState icon={Activity} title="尚无输出" desc="选择一次运行查看其模型输出；或发起新运行，token 在此流式呈现。" />
+            <EmptyState icon={Activity} title="尚无输出" desc="选择一次运行查看结果；或发起新运行，回复会在这里逐字呈现。" />
           )}
         </Panel>
       </div>
@@ -208,7 +208,7 @@ function EvalView({ ev }: { ev: EvalResult | null }) {
         <Badge tone={LEVEL_TONE[ev.level] ?? "neutral"}>{ev.level} · {ev.overall.toFixed(2)}</Badge>
         {ev.corrected && <Badge tone="accent">已纠偏</Badge>}
         <span className="text-slate-500">规则 {ev.rule.toFixed(2)} · 质量 {ev.llm.toFixed(2)}</span>
-        {ev.sources > 0 && <span className="text-slate-500">忠实 {ev.faithful.toFixed(2)} · {ev.sources} 来源</span>}
+        {ev.sources > 0 && <span className="text-slate-500">可信度 {ev.faithful.toFixed(2)} · {ev.sources} 处引用</span>}
       </div>
       {ev.reason && <p className="leading-relaxed text-slate-400">{ev.reason}</p>}
       {ev.flags?.length > 0 && <p className="text-warn">{ev.flags.join("；")}</p>}