Upgrade 2.0 to 2.1

Author: limingxinleo

composer.json

@@ -18,13 +18,13 @@
     "require": {
         "php": ">=7.2",
         "ext-redis": "*",
-        "hyperf/contract": "~2.0.0",
-        "hyperf/pool": "~2.0.0",
-        "hyperf/utils": "~2.0.0",
+        "hyperf/contract": "~2.1.0",
+        "hyperf/pool": "~2.1.0",
+        "hyperf/utils": "~2.1.0",
         "psr/container": "^1.0"
     },
     "require-dev": {
-        "hyperf/di": "~2.0.0",
+        "hyperf/di": "~2.1.0",
         "malukenho/docheader": "^0.1.6",
         "mockery/mockery": "^1.0",
         "phpunit/phpunit": "^7.0.0",