update

@@ -360,7 +360,7 @@ class UpdateSeoTdk extends Command
             //随机取
             shuffle($main_keywords);
             $main_keywords = array_slice($main_keywords, 0, $num);
-            $str = implode(",", $main_keywords);
+            $str = implode(", ", $main_keywords);
         }
         return $str;
     }

@@ -213,7 +213,7 @@ class Common
                 }
             }
         }
-        return implode(',',$ar_keywords);
+        return implode(', ',$ar_keywords);
     }
 
 

@@ -48,7 +48,7 @@ class AiCommandLogic extends BaseLogic
                 //随机取
                 shuffle($main_keywords);
                 $main_keywords = array_slice($main_keywords, 0, 8);
-                $main_keywords = implode(",", $main_keywords);
+                $main_keywords = implode(", ", $main_keywords);
                 $prompt = str_replace('{core keywords 8}', $main_keywords, $prompt);
             }else{
                 $prompt = '';