渠道管理新加字段-描述

estateagents.pdman.json

               "type": "LongKey",
               "remark": "",
               "chnname": "楼盘id"
+            },
+            {
+              "name": "explain",
+              "type": "LongKey",
+              "remark": "",
+              "chnname": "说明描述"
             }
           ],
           "indexs": [],