diff --git a/neo3-gui/neo3-gui/ClientApp/gui-config.json b/neo3-gui/neo3-gui/ClientApp/gui-config.json
index c3f25f5..b20d533 100644
--- a/neo3-gui/neo3-gui/ClientApp/gui-config.json
+++ b/neo3-gui/neo3-gui/ClientApp/gui-config.json
@@ -1,6 +1,6 @@
 {
     "Port": 8081,
     "RPCURL": "http://localhost:8081",
-    "Language": "zh",
-    "Network": "private"
+    "Language": "",
+    "Network": "mainnet"
 }
\ No newline at end of file
diff --git a/neo3-gui/neo3-gui/ClientApp/package.json b/neo3-gui/neo3-gui/ClientApp/package.json
index e4fd98b..17faf0e 100644
--- a/neo3-gui/neo3-gui/ClientApp/package.json
+++ b/neo3-gui/neo3-gui/ClientApp/package.json
@@ -53,10 +53,15 @@
             "./preload.js",
             "./package.json"
         ],
-        "extraResources": {
-            "from": "./build-neo-node/",
-            "to": "./build-neo-node/"
-        },
+        "extraResources": [
+            {
+                "from": "./build-neo-node/",
+                "to": "./build-neo-node/"
+            },
+            {
+                "filter": "./gui-config.json"
+            }
+        ],
         "win": {
             "target": "nsis",
             "icon": "public/logo512.png"
diff --git a/neo3-gui/neo3-gui/ClientApp/src/config.js b/neo3-gui/neo3-gui/ClientApp/src/config.js
index 60c7ccb..345b59f 100644
--- a/neo3-gui/neo3-gui/ClientApp/src/config.js
+++ b/neo3-gui/neo3-gui/ClientApp/src/config.js
@@ -25,7 +25,7 @@ class Config {
     this.Port = config.Port || 8081;
     this.RPCURL = config.RPCURL || "http://localhost:" + this.Port;
     this.Language = config.Language || "";
-    this.Network = config.Network || "testnet";
+    this.Network = config.Network || "mainnet";
   };
 
   /**