gx数据

@@ -146,16 +146,13 @@ class KeywordLogic extends  BaseLogic
      * @time   :2024/10/28 10:47
      */
     public function first_word($title){
-        $first_title = mb_substr($title, 0, 1);
-        //返回对应的键
+        $first_title = mb_substr(strtolower($title), 0, 1);
         $keywordModel = new Keyword();
-        $firstNumWord = $keywordModel->firstNumWord;
-        foreach($firstNumWord as $k => $v){
-            if(strtolower($v) == strtolower($first_title)){
-                return $k;
-            }
+        if (is_numeric($first_title)){
+            return 0;
         }
-        return 27;
+        $string_key = array_search($first_title, $keywordModel->firstNumWord);
+        return $string_key ?: 27;
     }
 
     /**