diff --git a/src/main/index.js b/src/main/index.js
index cd246a5..7b93dc0 100644
--- a/src/main/index.js
+++ b/src/main/index.js
@@ -61,6 +61,7 @@ function createLoginWindow() {
 function createMainWindow() {
   mainWindow = new BrowserWindow({
     width: 1200,
+    minWidth: 1200,
     height: 700,
     show: false,
     frame: false, // 无边框