diff --git a/database.json b/database.json
new file mode 100644
index 0000000..4bd02be
--- /dev/null
+++ b/database.json
@@ -0,0 +1,37 @@
+{
+    "peers": {
+        "tokyo1": {
+            "PrivateKey": "qIM4Y95hEjZwKRnXs182gHUzJaNXvS5ypNztnvvau10=",
+            "Address": [
+                "10.1.0.1/16"
+            ],
+            "ListenPort": 51820,
+            "Endpoint": "tokyo1.com",
+            "PersistentKeepalive": "25"
+        },
+        "germany1": {
+            "PrivateKey": "8K2qSU4cN6nN+1SR3K17T8hDLIQSKSgQvfwE3cormFQ=",
+            "Address": [
+                "10.2.0.1/16"
+            ],
+            "ListenPort": 51820,
+            "Endpoint": "germany1.com"
+        },
+        "canada11": {
+            "PrivateKey": "2H2ASu9ZM5jG3pPdG4lW3e67PTc6VfRl4t5a8ddQ4Ug=",
+            "Address": [
+                "10.3.0.1/16"
+            ],
+            "ListenPort": 51820,
+            "Endpoint": "canada1.com"
+        },
+        "shanghai1": {
+            "PrivateKey": "oCsLP1KTIUWPKWnHluvyQW1YkpWgaO0Gz3iTDItUKV8=",
+            "Address": [
+                "10.3.0.1/16"
+            ],
+            "ListenPort": 51820,
+            "Endpoint": "shanghai1.com"
+        }
+    }
+}
\ No newline at end of file
diff --git a/wg_meshconf/database_manager.py b/wg_meshconf/database_manager.py
index 7e4d5d7..2e015a7 100755
--- a/wg_meshconf/database_manager.py
+++ b/wg_meshconf/database_manager.py
@@ -4,7 +4,7 @@
 Name: Database Manager
 Creator: K4YT3X
 Date Created: July 19, 2020
-Last Modified: January 12, 2021
+Last Modified: May 21, 2021
 """
 
 # built-in imports
diff --git a/wg_meshconf/wg_meshconf.py b/wg_meshconf/wg_meshconf.py
index 2d5eec8..219dd5f 100755
--- a/wg_meshconf/wg_meshconf.py
+++ b/wg_meshconf/wg_meshconf.py
@@ -52,7 +52,9 @@ def parse_arguments():
     )
     addpeer.add_argument("--privatekey", help="private key of server interface")
     addpeer.add_argument("--listenport", help="port to listen on", default=51820)
-    addpeer.add_argument("--persistentkeepalive", help="set persistent keepalive interval")
+    addpeer.add_argument(
+        "--persistentkeepalive", help="set persistent keepalive interval"
+    )
     addpeer.add_argument("--fwmark", help="fwmark for outgoing packets")
     addpeer.add_argument("--dns", help="server interface DNS servers")
     addpeer.add_argument("--mtu", help="server interface MTU")
@@ -78,7 +80,9 @@ def parse_arguments():
     )
     updatepeer.add_argument("--privatekey", help="private key of server interface")
     updatepeer.add_argument("--listenport", help="port to listen on")
-    updatepeer.add_argument("--persistentkeepalive", help="set persistent keepalive interval")
+    updatepeer.add_argument(
+        "--persistentkeepalive", help="set persistent keepalive interval"
+    )
     updatepeer.add_argument("--fwmark", help="fwmark for outgoing packets")
     updatepeer.add_argument("--dns", help="server interface DNS servers")
     updatepeer.add_argument("--mtu", help="server interface MTU")