后台bug修改

application/adminapi/controller/Statistical.php

@@ -133,7 +133,10 @@ class Statistical extends adminApi
         if(empty($tables)){
             $tables[0] = "fa_vs_give_gift";
         }
-        $table_name = substr($tables[0], 3);//截取可查询的表名
+        $table_name = $tables[count($tables)-1];
+        //表前缀
+        $table_prefix = config('database.prefix');
+        $table_name = str_replace($table_prefix, '', $table_name);//截取可查询的表名
         $count = db::name($table_name)
             ->where($where)
             ->group($group)
@@ -268,7 +271,10 @@ class Statistical extends adminApi
         if(empty($tables)){
             $tables[0] = "fa_vs_give_gift";
         }
-        $table_name = substr($tables[0], 3);//截取可查询的表名
+        $table_name = $tables[count($tables)-1];
+        //表前缀
+        $table_prefix = config('database.prefix');
+        $table_name = str_replace($table_prefix, '', $table_name);//截取可查询的表名
         //不为空
         $where['from'] = 2;
         $count = db::name($table_name)