diff --git a/app/Services/VenueImportService.php b/app/Services/VenueImportService.php
index 9eac533..a1655f0 100644
--- a/app/Services/VenueImportService.php
+++ b/app/Services/VenueImportService.php
@@ -13,14 +13,8 @@ use PhpOffice\PhpSpreadsheet\Spreadsheet;
 
 class VenueImportService
 {
-    /** @var array<string, string> 中文主题名 => item_value */
-    public const THEME_LABEL_TO_VALUE = [
-        '自然生态' => 'theme_nature_ecology',
-        '科技产业' => 'theme_tech_industry',
-        '苏工苏艺' => 'theme_su_craft',
-        '生命健康' => 'theme_life_health',
-        '弘扬科学家精神' => 'theme_scientist_spirit',
-    ];
+    /** @var array<string, string>|null 主题：item_label => item_value（与数据字典 venue_type 同步，按请求缓存） */
+    private ?array $themeLabelToValueMapCache = null;
 
     private const TICKET_TYPE_LABEL = [
         '免费' => 'free',
@@ -38,6 +32,27 @@ class VenueImportService
         '预约开放' => 'appointment',
     ];
 
+    /**
+     * @return array<string, string> 中文标签 => item_value
+     */
+    private function themeLabelToValueMap(): array
+    {
+        if ($this->themeLabelToValueMapCache !== null) {
+            return $this->themeLabelToValueMapCache;
+        }
+
+        $this->themeLabelToValueMapCache = DictItem::query()
+            ->where('dict_type', 'venue_type')
+            ->where('is_active', true)
+            ->orderBy('sort')
+            ->orderBy('id')
+            ->get(['item_label', 'item_value'])
+            ->mapWithKeys(fn ($r) => [trim((string) $r->item_label) => (string) $r->item_value])
+            ->all();
+
+        return $this->themeLabelToValueMapCache;
+    }
+
     public function buildTemplateSpreadsheet(): Spreadsheet
     {
         $spreadsheet = new Spreadsheet();
@@ -96,7 +111,7 @@ class VenueImportService
 
         $opt->setCellValue('B1', '主题');
         $tr = 2;
-        foreach (array_keys(self::THEME_LABEL_TO_VALUE) as $label) {
+        foreach (array_keys($this->themeLabelToValueMap()) as $label) {
             $opt->setCellValue('B' . $tr, $label);
             $tr++;
         }
@@ -197,10 +212,11 @@ class VenueImportService
 
         $themeRaw = str_replace('，', ',', $g(1));
         $themeParts = array_filter(array_map('trim', explode(',', $themeRaw)), fn ($s) => $s !== '');
+        $themeMap = $this->themeLabelToValueMap();
         $venueTypes = [];
         foreach ($themeParts as $part) {
-            if (isset(self::THEME_LABEL_TO_VALUE[$part])) {
-                $venueTypes[] = self::THEME_LABEL_TO_VALUE[$part];
+            if (isset($themeMap[$part])) {
+                $venueTypes[] = $themeMap[$part];
             }
         }