Update README.md

README.md

@@ -20,14 +20,14 @@ $ composer require qiniu/php-sdk
 
 ```json
 "require" : {
-    "pl_storage_sdk/php-sdk" : "7.2.3.2",
+    "pl_storage_sdk/php-sdk" : "7.2.3.3",
   },
 "repositories": [
     {
       "type" : "package",
       "package": {
         "name": "pl_storage_sdk/php-sdk",
-        "version": "7.2.3.2",
+        "version": "7.2.3.3",
         "type": "pacakge",
         "source": {
           "url": "https://gitlab.meitu.com/pl_storage_sdk/php-sdk.git",