同步邮箱，当没有返回未读时，去库里面统计

@@ -198,9 +198,14 @@ class Mail {
         }
 
         // 更新数量
+        $upFolderData = ['exsts'=>$status['EXISTS'],'last_sync_time' => time()];
+        // 谷歌 不返未读数量 谢特
+        if(isset($status['UNSEEN'])){
+            $upFolderData['unseen'] = $status['UNSEEN'];
+        }
         $db->update(
             folderSql::$table,
-            ['exsts'=>$status['EXISTS'],'unseen'=>$status['UNSEEN']??0],
+            $upFolderData,
             dbWhere(['id'=>$folder_id]),
             false
         );
@@ -262,12 +267,22 @@ class Mail {
         }
 
         // 更新数量
-        $db->update(
-            folderSql::$table,
-            ['last_sync_time' => time()],
-            dbWhere(['id'=>$folder_id]),
-            false
-        );
+        if(!isset($status['UNSEEN'])){
+            // 统计未读数量
+            $unseen = $db->count(listsSql::listCount(dbWhere([
+                'seen'  => 0,
+                'deleted'  => 0,
+                'email_id'  => $email_id,
+                'folder_id'  => $folder_id,
+            ])));
+            $db->update(
+                folderSql::$table,
+                ['unseen' => $unseen],
+                dbWhere(['id'=>$folder_id]),
+                false
+            );
+        }
+
 
         return $success_uid;