laravel框架由5.4升级至5.5

composer.json

@@ -11,7 +11,7 @@
         "ipip/db": "^0.6.0",
         "itbdw/ip-database": "^2.0",
         "jenssegers/agent": "^2.5",
-        "laravel/framework": "5.4.*",
+        "laravel/framework": "5.5.*",
         "laravel/tinker": "~1.0",
         "mews/captcha": "^2.1",
         "mews/purifier": "^2.0",
@@ -27,7 +27,7 @@
     "require-dev": {
         "fzaninotto/faker": "~1.4",
         "mockery/mockery": "0.9.*",
-        "phpunit/phpunit": "~5.7"
+        "phpunit/phpunit": "~6.0"
     },
     "autoload": {
         "files": [