还款详情，review by 陈林

@@ -71,8 +71,7 @@ const _processRepayList = (list) => {
             } else if (data.status === 2) {
                 data.repayStatus = '还款失败';
                 data.txt = '还款失败';
-
-                if (data.desc || data.desc !== '') {
+                if (data.desc && data.desc !== '') {
                     data.txt += `,${data.desc}`;
                 }