feat: 本次提交更新内容如下

php有问题，覆盖下

Server/thinkphp/composer.json

@@ -13,23 +13,23 @@
         {
             "name": "liu21st",
             "email": "liu21st@gmail.com"
+        },
+        {
+            "name": "yunwuxin",
+            "email": "448901948@qq.com"
         }
     ],
     "require": {
-        "php": ">=5.4.0",
-        "topthink/think-installer": "~1.0"
+        "php": ">=5.6.0",
+        "topthink/think-installer": "2.*"
     },
     "require-dev": {
-        "phpunit/phpunit": "4.8.*",
+        "phpunit/phpunit": "^5.0|^6.0",
         "johnkary/phpunit-speedtrap": "^1.0",
         "mikey179/vfsstream": "~1.6",
         "phploc/phploc": "2.*",
         "sebastian/phpcpd": "2.*",
+        "squizlabs/php_codesniffer": "2.*",
         "phpdocumentor/reflection-docblock": "^2.0"
-    },
-    "autoload": {
-        "psr-4": {
-            "think\\": "library/think"
-        }
     }
 }