Merge remote-tracking branch 'origin/dev' into dev

# Conflicts:
#	src/Collections/ContactFactory.php

README.md

@@ -3,7 +3,7 @@
 
 ## 环境要求
 
-* PHP >= 7(代码中使用了一些PHP7的特性)
+* PHP >= 5.6
 
 ## 安装
 
@@ -13,7 +13,7 @@
 composer require hanson/vbot
 ```
 
-2、直接下载[release](https://github.com/HanSon/vbot/files/719331/vbot.zip)
+2、直接下载[release](https://github.com/HanSon/vbot/files/754871/vbot.zip)
 
 然后执行``` php example/index.php ``` 
 

composer.json

@@ -16,7 +16,6 @@
         "pimple/pimple": "^3.0",
         "illuminate/support": "^5.3",
         "nesbot/carbon": "^1.21",
-        "php": ">=7.0.0",
         "aferrandini/phpqrcode": "^1.0",
         "symfony/console": "3.*"
     },

src/Collections/ContactFactory.php

@@ -33,7 +33,9 @@ class ContactFactory
 
         $this->makeContactList();
 
-        myself()->alias = contact()->get(myself()->username)['Alias'] ?? myself()->nickname ? : myself()->username;
+
+        $contact = contact()->get(myself()->username);
+        myself()->alias = isset($contact['Alias']) ? $contact['Alias'] : myself()->nickname ? : myself()->username;
 
         $this->getBatchGroupMembers();
 

src/Core/MessageHandler.php

@@ -194,9 +194,11 @@ class MessageHandler
     {
         message()->put($message->msg['MsgId'], $message);
 
-        $file = fopen(System::getPath() .'message.json', 'a');
+        if(server()->config['debug']) {
+            $file = fopen(System::getPath() . 'message.json', 'a');
             fwrite($file, json_encode($message) . PHP_EOL);
             fclose($file);
         }
+    }
 
 }
\ No newline at end of file