时间参数错误优化

app/enterprise/controller/Im.php

@@ -304,7 +304,7 @@ class Im extends BaseController
                     'id' => $v['id'],
                     'status' => "succeed",
                     'type' => $v['type'],
-                    'sendTime' => $v['create_time'] * 1000,
+                    'sendTime' => is_numeric($v['create_time']) ? $v['create_time'] * 1000 : strtotime($v['create_time']) * 1000,
                     'content' => $content,
                     'preview' => $preview,
                     'download' => $v['file_id'] ? getMainHost().'/filedown/'.encryptIds($v['file_id']) : '',