处理指令中的topic

@@ -34,6 +34,9 @@ class AiCommandLogic extends BaseLogic
         if(strpos($prompt, '{keyword}') !== false) {
             $prompt = str_replace('{keyword}', $this->param['keywords'], $prompt);
         }
+        if(strpos($prompt, '{topic}') !== false) {
+            $prompt = str_replace('{topic}', $this->param['keywords'], $prompt);
+        }
         if(strpos($prompt, '{company introduction}') !== false) {
             $company_introduction = $this->getDeployOptimize('company_en_description');
             $prompt = str_replace('{company introduction}', $company_introduction, $prompt);