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@@ -977,17 +977,17 @@ class Index extends Api
             $CL_list1[$k]['id'] = $v['id'];
             $CL_list[$k]['fid'] = $v['id'];
             $CL_list[$k]['title'] = $v['class'];
-        }
-        foreach ($CL_list1 as $k => $v) {
-            $second_arr2[$k] = Db::name('class_con')->where(['class_ids' => $v['id']])->select();
-            if (!empty($second_arr2[$k])) {
-                $second_arr[$k] = $second_arr2[$k];
-                foreach ($second_arr[$k] as $k3 => $v3) {
+            foreach ($CL_list1 as $k1 => $v1) {
+                $second_arr2[$k1] = Db::name('class_con')->where(['class_ids' => $v1['id']])->select();
+                if (!empty($second_arr2[$k1])) {
+                    $second_arr = $second_arr2[$k1];
+                }
+                foreach ($second_arr as $k3 => $v3) {
                     $second_arr3[$k3]['xid'] = $v3['id'];
                     $second_arr3[$k3]['title'] = $v3['class_con'];
                 }
                 foreach ($second_arr3 as $k2 => $v2) {
-                    $CL_list[$k]['IsList'] = $second_arr3;
+                    $CL_list[$k1]['IsList'] = $second_arr3;
                 }
             }
         }