diff --git a/.ua/backlog.json b/.ua/backlog.json
index 94f0c23..a76cc6c 100644
--- a/.ua/backlog.json
+++ b/.ua/backlog.json
@@ -1580,6 +1580,14 @@
       "acceptance": "ua list 每行带上组件数；ua list --components 按包分组列出 id / 标题 / 演示锚点并给出总数与后续命令提示，原有无参输出保持可用。",
       "notes": "",
       "status": "done"
+    },
+    {
+      "id": "g153",
+      "title": "ua search 支持多关键词与脚本退出码",
+      "motivation": "单一关键词只能粗筛：想找「日期区间」时搜日期会连 calendar/timeline 一起返回；且未命中仍退 0，脚本里判断不了。",
+      "acceptance": "ua search a b 取各词命中的最弱档做 AND 过滤仍保持 id>标题>props>步骤 的排序；未命中输出相近建议并 exit 1；无参数打印用法。",
+      "notes": "",
+      "status": "open"
     }
   ]
 }
diff --git a/packages/tools/cli/bin/ua.js b/packages/tools/cli/bin/ua.js
index b48d47d..24aeccf 100644
--- a/packages/tools/cli/bin/ua.js
+++ b/packages/tools/cli/bin/ua.js
@@ -192,29 +192,32 @@ function nearIds(name) {
     .map(([id]) => id);
 }
 
-/*** 按关键词搜组件：id 命中优先于 title，其次 props 名与步骤文案；--json 输出结构化结果 ***/
-function cmdSearch(keyword = '', args = []) {
-  const kw = String(keyword).toLowerCase().trim();
-  if (!kw) return console.error('usage: ua search <关键词> [--json]');
+/*** 按关键词搜组件：多词取最弱命中（AND 语义），id 命中优先于 title，其次 props 名与步骤文案；未命中退出码 1 ***/
+function cmdSearch(words = [], args = []) {
+  const kws = [...new Set(words.map((w) => String(w).toLowerCase().trim()).filter(Boolean))];
+  if (!kws.length) return console.error('usage: ua search <关键词...> [--json]');
+  const scoreOf = (kw, comp) => {
+    const id = String(comp.id ?? '').toLowerCase();
+    const title = String(comp.title ?? '').toLowerCase();
+    const props = (comp.props ?? []).map((p) => String(p.n ?? '').toLowerCase()).join(' ');
+    const steps = (comp.steps ?? []).join(' ').toLowerCase();
+    if (id === kw) return 4; // 分档只用于排序：id 全等 > id 含 > 标题 > props 名 > 步骤
+    if (id.includes(kw)) return 3;
+    if (title.includes(kw)) return 2;
+    if (props.includes(kw)) return 1;
+    return steps.includes(kw) ? 0.5 : 0;
+  };
   const hits = collectComponents()
     .map(({ pkg, comp }) => {
-      const id = String(comp.id ?? '').toLowerCase();
-      const title = String(comp.title ?? '').toLowerCase();
-      const props = (comp.props ?? []).map((p) => String(p.n ?? '').toLowerCase()).join(' ');
-      const steps = (comp.steps ?? []).join(' ').toLowerCase();
-      let score = 0; // 分数只用于排序：id 命中 > 标题 > props 名 > 步骤
-      if (id === kw) score = 4;
-      else if (id.includes(kw)) score = 3;
-      else if (title.includes(kw)) score = 2;
-      else if (props.includes(kw)) score = 1;
-      else if (steps.includes(kw)) score = 0.5;
-      return score ? { pkg, comp, score } : null;
+      const scores = kws.map((kw) => scoreOf(kw, comp));
+      return scores.every((s) => s > 0) ? { pkg, comp, score: Math.min(...scores) } : null; // 任一词不中即淘汰
     })
     .filter(Boolean)
     .sort((a, b) => b.score - a.score || String(a.comp.id).localeCompare(String(b.comp.id)));
   if (!hits.length) {
-    const near = nearIds(kw);
-    return console.error(`no match: ${keyword}${near.length ? `（相近：${near.join(' / ')}）` : ''}`);
+    const near = nearIds(kws.join(''));
+    console.error(`no match: ${words.join(' ')}${near.length ? `（相近：${near.join(' / ')}）` : ''}`);
+    return process.exit(1);
   }
   if (args.includes('--json')) {
     return console.log(JSON.stringify(hits.map((h) => ({ package: h.pkg.name, ...h.comp })), null, 2));
@@ -1288,7 +1291,7 @@ switch (cmd) {
     cmdList(args);
     break;
   case 'search':
-    cmdSearch(args[0], args.slice(1));
+    cmdSearch(args.filter((a) => !a.startsWith('--')), args);
     break;
   case 'info':
     if (!args[0]) {