diff --git a/application/api/controller/EmailClient.php b/application/api/controller/EmailClient.php
index 2ae06b1..274d685 100644
--- a/application/api/controller/EmailClient.php
+++ b/application/api/controller/EmailClient.php
@@ -2624,14 +2624,25 @@ class EmailClient extends Base
         if (!is_string($tpl) || $tpl === '') return '';
         if (!is_array($vars) || empty($vars)) return $tpl;
 
-        $replace = [];
+        $map = [];
         foreach ($vars as $k => $v) {
             $key = trim((string)$k);
             if ($key === '') continue;
-            $replace['{{' . $key . '}}'] = (string)$v;
-            $replace['{' . $key . '}'] = (string)$v;
+            $map[$key] = (string)$v;
         }
-        return str_replace(array_keys($replace), array_values($replace), $tpl);
+        if (empty($map)) return $tpl;
+
+        // 双大括号：允许内部有空格，如 {{ var }} / {{  var  }}
+        $tpl = preg_replace_callback('/\{\{\s*([A-Za-z0-9_\-\.]+)\s*\}\}/', function ($m) use ($map) {
+            return array_key_exists($m[1], $map) ? $map[$m[1]] : $m[0];
+        }, $tpl);
+
+        // 单大括号：保持严格匹配（不允许内部空格），避免误伤正文
+        $single = [];
+        foreach ($map as $k => $v) {
+            $single['{' . $k . '}'] = $v;
+        }
+        return str_replace(array_keys($single), array_values($single), $tpl);
     }
 
     private function renderFromTemplate($templateId, $journalId, $varsJson, $styleId = 0)
diff --git a/application/api/controller/PromotionFactory.php b/application/api/controller/PromotionFactory.php
index b258728..95c0167 100644
--- a/application/api/controller/PromotionFactory.php
+++ b/application/api/controller/PromotionFactory.php
@@ -221,7 +221,7 @@ class PromotionFactory extends Base
             return jsonError('Factory not found');
         }
 
-        Db::name('promotion_factory')->where('promotion_factory_id', $id)->update(['state' => 1]);
+        Db::name('promotion_factory')->where('promotion_factory_id', $id)->delete();
 
         return jsonSuccess([]);
     }
diff --git a/application/common/PromotionService.php b/application/common/PromotionService.php
index c68f3ac..5f04c70 100644
--- a/application/common/PromotionService.php
+++ b/application/common/PromotionService.php
@@ -528,14 +528,25 @@ class PromotionService
         if (!is_string($tpl) || $tpl === '') return '';
         if (!is_array($vars) || empty($vars)) return $tpl;
 
-        $replace = [];
+        $map = [];
         foreach ($vars as $k => $v) {
             $key = trim((string)$k);
             if ($key === '') continue;
-            $replace['{{' . $key . '}}'] = (string)$v;
-            $replace['{' . $key . '}'] = (string)$v;
+            $map[$key] = (string)$v;
         }
-        return str_replace(array_keys($replace), array_values($replace), $tpl);
+        if (empty($map)) return $tpl;
+
+        // 双大括号：允许内部有空格，如 {{ var }} / {{  var  }}
+        $tpl = preg_replace_callback('/\{\{\s*([A-Za-z0-9_\-\.]+)\s*\}\}/', function ($m) use ($map) {
+            return array_key_exists($m[1], $map) ? $map[$m[1]] : $m[0];
+        }, $tpl);
+
+        // 单大括号：保持严格匹配（不允许内部空格），避免误伤正文
+        $single = [];
+        foreach ($map as $k => $v) {
+            $single['{' . $k . '}'] = $v;
+        }
+        return str_replace(array_keys($single), array_values($single), $tpl);
     }
 
     // ==================== Logging ====================