docs: optimize openim docs

Signed-off-by: Xinwei Xiong(cubxxw) <3293172751nss@gmail.com>

config/config.yaml

@@ -135,14 +135,14 @@ api:
 # minio.signEndpoint is minio public network address
 object:
   enable: "minio"
-  apiURL: "http://14.155.59.99:10002"
+  apiURL: "http://127.0.0.1:10002"
   minio:
     bucket: "openim"
     endpoint: "http://172.28.0.1:10005"
     accessKeyID: "root"
     secretAccessKey: "openIM123"
     sessionToken: ''
-    signEndpoint: "http://14.155.59.99:10005"
+    signEndpoint: "http://127.0.0.1:10005"
     publicRead: false
   cos:
     bucketURL: https://temp-1252357374.cos.ap-chengdu.myqcloud.com
@@ -198,7 +198,7 @@ rpcRegisterName:
 # Whether to output in json format
 # Whether to include stack trace in logs
 log:
-  storageLocation: /root/workspaces/openim/open-im-server/logs/
+  storageLocation: ./logs/
   rotationTime: 24
   remainRotationCount: 2
   remainLogLevel: 6