diff --git a/src/UI/Components/SourceManage/SoucePanel.tsx b/src/UI/Components/SourceManage/SoucePanel.tsx
index 7b90d3c26..69cacd1b6 100644
--- a/src/UI/Components/SourceManage/SoucePanel.tsx
+++ b/src/UI/Components/SourceManage/SoucePanel.tsx
@@ -42,7 +42,8 @@ export default class SoucePanel extends React.Component<{ store?: TopPanelStore
             top: 0,
             width: "50%",
             height: "90%",
-            minWidth: 725
+            minWidth: 725,
+            minHeight: 300,
         }
         return (
             <Dialog