diff --git a/src/shared/ehentai/normalize-tag.ts b/src/shared/ehentai/normalize-tag.ts
index 5620cd00..ee724d83 100644
--- a/src/shared/ehentai/normalize-tag.ts
+++ b/src/shared/ehentai/normalize-tag.ts
@@ -102,7 +102,8 @@ export async function normalizeTag(
         const candidates = source.filter((t) => t.raw === raw);
         if (ns) {
             match = candidates.find((t) => t.namespace === ns);
-        } else if (candidates.length === 1 && source.length < 10) {
+        }
+        if (match == null && candidates.length === 1 && source.length < 10) {
             // 只有一个结果，且原始结果完整
             match = candidates[0];
         }
diff --git a/src/shared/ehentai/suggest-tag.ts b/src/shared/ehentai/suggest-tag.ts
index 0c714ece..ec3271fc 100644
--- a/src/shared/ehentai/suggest-tag.ts
+++ b/src/shared/ehentai/suggest-tag.ts
@@ -92,6 +92,7 @@ export async function suggestTag(ns: NamespaceName | undefined, raw: string, exa
                 (t.master && t.master.raw === raw && ns === t.master.namespace),
         ) == null
     ) {
+        // 没有正确匹配时升级为精确搜索
         const exactResult = await suggestTag(ns, raw, true);
         if (exactResult.length !== 0) return exactResult;
     }
diff --git a/src/tool/commands/tag/check.ts b/src/tool/commands/tag/check.ts
index db52a258..ed26ead5 100644
--- a/src/tool/commands/tag/check.ts
+++ b/src/tool/commands/tag/check.ts
@@ -33,7 +33,7 @@ command
                 }
             }
         } else {
-            const result = (await normalizeTag(namespace, raw)) ?? (await normalizeTag(undefined, raw));
+            const result = await normalizeTag(namespace, raw);
             if (result) {
                 print(result);
                 found = true;
diff --git a/src/tool/commands/tag/search.ts b/src/tool/commands/tag/search.ts
index 91ec8df9..bd059924 100644
--- a/src/tool/commands/tag/search.ts
+++ b/src/tool/commands/tag/search.ts
@@ -4,10 +4,11 @@ import { command, parseTag, formatTag } from './command.js';
 
 command
     .command('search <[namespace:]tag>')
+    .option('-e, --exact', '精确搜索')
     .description('搜索标签')
-    .action(async (tag: string) => {
+    .action(async (tag, { exact }) => {
         const [namespace, raw] = parseTag(tag);
-        const result = await suggestTag(namespace, raw);
+        const result = await suggestTag(namespace, raw, exact);
         if (result.length === 0) {
             console.error('未找到相应标签');
         } else {