diff --git a/par-api/src/main/java/com/par/api/controller/ScriptController.java b/par-api/src/main/java/com/par/api/controller/ScriptController.java
index 6154f8b..0094d81 100644
--- a/par-api/src/main/java/com/par/api/controller/ScriptController.java
+++ b/par-api/src/main/java/com/par/api/controller/ScriptController.java
@@ -27,6 +27,7 @@ public class ScriptController {
     private final ConfigService configService;
     private final CachedStorageService storageService;
     private final SiteMapper siteMapper;
+    private final com.par.core.mapper.SiteConfigMapper siteConfigMapper;
 
     /** 下载最新 Groovy 脚本 */
     @GetMapping("/api/v1/scripts/{siteId}")
@@ -57,6 +58,19 @@ public class ScriptController {
         return ResponseEntity.notFound().build();
     }
 
+    /** 删除站点自定义脚本（回退到默认模板） */
+    @DeleteMapping("/api/v1/admin/configs/{siteId}/script")
+    public ApiResponse<Void> deleteScript(@PathVariable String siteId, HttpServletRequest request) {
+        checkAdmin(request);
+        SiteConfig latest = configService.getLatestConfig(siteId);
+        if (latest == null) return ApiResponse.success();
+        latest.setScriptStoragePath(null);
+        latest.setIsLatest(false);
+        siteConfigMapper.updateById(latest);
+        log.info("Custom script deleted for siteId={}, fallback to default", siteId);
+        return ApiResponse.success();
+    }
+
     /** 获取脚本版本（自定义脚本优先，否则返回默认模板版本） */
     @GetMapping("/api/v1/scripts/{siteId}/version")
     public ApiResponse<Map<String, String>> getVersion(@PathVariable String siteId) {
diff --git a/web/src/views/AccessResultCheck.vue b/web/src/views/AccessResultCheck.vue
index 7850c0c..df87bbc 100644
--- a/web/src/views/AccessResultCheck.vue
+++ b/web/src/views/AccessResultCheck.vue
@@ -43,6 +43,7 @@
             </el-select>
             <el-button size="small" @click="revertScript">回滚</el-button>
             <el-button size="small" type="primary" @click="saveScript" :loading="saving">保存</el-button>
+            <el-button size="small" type="danger" @click="deleteScript" :loading="deleting">删除</el-button>
             <template v-if="selectedConfig?.status==='pending'">
               <el-button size="small" type="success" @click="approveConfig" :loading="approving">通过</el-button>
               <el-button size="small" type="danger" @click="rejectConfig" :loading="rejecting">拒绝</el-button>
@@ -147,7 +148,7 @@ import { Loading } from '@element-plus/icons-vue'
 const route = useRoute()
 const siteId = route.params.siteId
 
-const loading = ref(false), parseLoading = ref(false), scriptExpanded = ref(true), historyVersion = ref(null), urlFilter = ref('')
+const loading = ref(false), parseLoading = ref(false), scriptExpanded = ref(true), historyVersion = ref(null), urlFilter = ref(''), deleting = ref(false)
 const selectedConfigId = ref(null), selectedConfig = ref(null)
 const scriptContent = ref(''), saving = ref(false), approving = ref(false), rejecting = ref(false)
 const allConfigVersions = ref([]), allResults = ref([])
@@ -297,6 +298,14 @@ const deleteResult = async (page) => {
   catch { ElMessage.error('删除失败') }
 }
 
+const deleteScript = async () => {
+  try { await ElMessageBox.confirm('确认删除自定义脚本？删除后站点将使用默认模板','确认',{type:'warning',confirmButtonText:'确认删除'}) } catch { return }
+  deleting.value = true
+  try { await api.raw.delete('/admin/configs/'+siteId+'/script'); ElMessage.success('已删除，将使用默认模板'); loadConfigs() }
+  catch(e) { ElMessage.error(e.response?.data?.message||'删除失败') }
+  finally { deleting.value = false }
+}
+
 const approveConfig = async () => {
   if (!selectedConfig.value) return
   const label = selectedConfig.value.status==='pending' ? '确认审批？版本号将自动+1' : '确认发布脚本？版本号将+1'