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@@ -1011,6 +1011,7 @@ class Index extends Api
                     $fitst4[$k1] = Db::name('classa')->where(['id' => $v1['class_id']])->select();
                     $fitst5 = $this->three_arr($fitst4);
                 }
+                $fitst5=$this->second_array_unique_bykey($fitst5,'id');
                 foreach ($fitst5 as $k3 => $v3) {
                     $LG_list[$k]['IsList'][$k3]['xid'] = $v3['id'];
                     $LG_list[$k]['IsList'][$k3]['title'] = $v3['class'];