diff --git a/electron/main/index.ts b/electron/main/index.ts
index 9b7634b..6cb3f08 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -1,4 +1,4 @@
-import {app, BrowserWindow, shell, ipcMain} from 'electron'
+import {app, BrowserWindow, shell, ipcMain, ipcRenderer, contextBridge} from 'electron'
 import Store from "electron-store";
 import {release} from 'node:os'
 import {join} from 'node:path'
@@ -45,12 +45,29 @@ const indexHtml = join(process.env.DIST, 'index.html')
 // electron-store 存储
 let store = new Store();
 
+
+let defaultSizeData = {
+    height: 800,
+    width: 1100,
+}
+
+interface WindowSize {
+    height: number,
+    width: number
+}
+
+let windowSizeData = store.get("windowSizeData") as WindowSize;
+if (windowSizeData) {
+    defaultSizeData.height = windowSizeData.height;
+    defaultSizeData.width = windowSizeData.width;
+}
+
 async function createWindow() {
     win = new BrowserWindow({
         title: 'KafkaDesktop',
         icon: join(process.env.VITE_PUBLIC, 'favicon.ico'),
-        height: 800,
-        width: 1100,
+        height: defaultSizeData.height,
+        width: defaultSizeData.width,
         webPreferences: {
             preload,
             // Warning: Enable nodeIntegration and disable contextIsolation is not secure in production
@@ -84,6 +101,14 @@ async function createWindow() {
         return {action: 'deny'}
     })
 
+    win.on("resize", (e: any) => {
+        let sizeData = win?.getContentBounds();
+        if (sizeData) {
+            defaultSizeData.width = sizeData.width;
+            defaultSizeData.height = sizeData.height;
+        }
+    })
+
     // Apply electron-updater
     update(win)
 }
@@ -91,6 +116,8 @@ async function createWindow() {
 app.whenReady().then(createWindow)
 
 app.on('window-all-closed', () => {
+    // 程序关闭存储程序窗口大小
+    store.set("windowSizeData", defaultSizeData);
     win = null
     if (process.platform !== 'darwin') app.quit()
 })
@@ -146,4 +173,4 @@ ipcMain.on("getData", (event,k ) => {
 ipcMain.on("delData", (event,k ) => {
     store.delete(k);
     console.log('delete k successfully: ', k);
-})
\ No newline at end of file
+})
diff --git a/src/App.tsx b/src/App.tsx
index f2bb258..c9c807e 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,5 +1,5 @@
-import React, {useState} from "react";
-import {Button, Container, Content, CustomProvider, Footer, Header, Sidebar} from "rsuite";
+import React, {useEffect, useState} from "react";
+import {Container, Content, CustomProvider, Sidebar} from "rsuite";
 import "./index.scss"
 import Side from "@/components/side/side";
 import PageContext from "@/PageContext";
@@ -10,28 +10,77 @@ interface State {
     theme: 'light' | 'dark' | 'high-contrast',
 }
 
-const getTheme = () => {
-    const storeTheme = ipcRenderer.sendSync("getData", "theme");
-    if (storeTheme) {
-        return storeTheme;
-    }
-    return "light";
-}
-
 const App = () => {
 
-    const [state, setState] = useState<State>({theme: getTheme()});
+    const [state, setState] = useState<State>();
+
+    const [sideWidth, setSideWidth] = useState(280);
+
+    let sideWidthBack = 280;
 
     const changeTheme = (theme: 'light' | 'dark' | 'high-contrast') => {
         ipcRenderer.send("saveData", "theme", theme);
         setState({theme: theme});
     }
 
+    const getTheme = () => {
+        if (state) {
+            return state.theme;
+        }
+        const storeTheme = ipcRenderer.sendSync("getData", "theme");
+        if (storeTheme) {
+            setState({theme: storeTheme});
+            return storeTheme;
+        }
+        return "light";
+    }
+
     const contextVal = {
-        theme: state.theme,
+        theme: getTheme(),
         changeTheme: changeTheme,
     }
 
+    const mousemove = (e: MouseEvent) => {
+        const mouseX = e.x;
+        const dragSideWidth = mouseX - 17;
+
+        if ((dragSideWidth > 280) && (dragSideWidth < 1200)) {
+            setSideWidth(dragSideWidth);
+            sideWidthBack = dragSideWidth;
+        }
+    }
+
+    const mouseup = () => {
+        document.documentElement.removeEventListener('mousemove', mousemove);
+        document.documentElement.removeEventListener('mouseup', mouseup);
+        ipcRenderer.send("saveData", "sideWidth", sideWidthBack);
+    }
+
+    const bindSideBarDrag = () => {
+        const dragPointer = document.getElementById('drag-resize-pointer');
+
+        if (dragPointer) {
+            dragPointer.addEventListener('mousedown', (e) => {
+                e.preventDefault();
+
+                document.documentElement.addEventListener('mousemove', mousemove);
+                document.documentElement.addEventListener('mouseup', mouseup);
+            });
+        }
+    }
+
+    const initSideWidth = () => {
+        const storeValue = ipcRenderer.sendSync("getData", "sideWidth");
+        if (storeValue) {
+            setSideWidth(storeValue);
+        }
+    }
+
+    useEffect(() => {
+        initSideWidth();
+        bindSideBarDrag();
+    }, []);
+
     return (
         <PageContext.Provider value={contextVal}>
             <CustomProvider theme={contextVal.theme}>
@@ -39,12 +88,12 @@ const App = () => {
                     <Container className='wrap-container'>
 
                         <div className='aside-drag-container'>
-                            <Sidebar>
+                            <Sidebar style={{ width: sideWidth + "px"}}>
                                 <Side></Side>
                             </Sidebar>
 
                             <div className='drag-resize-container'>
-                                <div className='drag-resize-pointer'></div>
+                                <div className='drag-resize-pointer' id="drag-resize-pointer"></div>
                             </div>
                         </div>
 
diff --git a/src/components/rightContent/RightContent.tsx b/src/components/rightContent/RightContent.tsx
index 6efad70..a1fa1fc 100644
--- a/src/components/rightContent/RightContent.tsx
+++ b/src/components/rightContent/RightContent.tsx
@@ -58,10 +58,20 @@ const RightContent = () => {
             });
             // 初始化 kafka 连接对象 开始连接
             setKafkaClient(tmpClient);
+            let resultObj = {
+                success: true,
+                data: data
+            }
+            PubSub.publish("connectResultTopic", resultObj);
         }).catch(() => {
             toaster.push(<Message showIcon type="error">集群连接异常，请检查配置信息是否正确</Message>, {
                 duration: 2000
             });
+            let resultObj = {
+                success: false,
+                data: data
+            }
+            PubSub.publish("connectResultTopic", resultObj);
         }).finally(() => {
             if (testAdmin) {
                 testAdmin.disconnect();
diff --git a/src/components/side/side.scss b/src/components/side/side.scss
index 423aa35..27040ed 100644
--- a/src/components/side/side.scss
+++ b/src/components/side/side.scss
@@ -11,12 +11,18 @@
   width: 100%;
 }
 
+.icon-btn {
+  float: right;
+  margin: 0 0 0 10px;
+}
+
 .conn-btn {
   width: 100%;
 }
 
 .row-container {
-  margin: 0 0 0 -10px
+  margin: 0 0 0 -10px;
+  display: flex;
 }
 
 .light-conn-row {
@@ -27,4 +33,4 @@
 .dark-conn-row {
   //background-color: #11ea40 !important;
   color: #34c3ff;
-}
\ No newline at end of file
+}
diff --git a/src/components/side/side.tsx b/src/components/side/side.tsx
index 09c53b7..92ac190 100644
--- a/src/components/side/side.tsx
+++ b/src/components/side/side.tsx
@@ -70,8 +70,15 @@ const Side = () => {
         console.log("side mount");
         const storeValue = ipcRenderer.sendSync("getData", "clusterInfo");
         setClusterList(storeValue == undefined ? [] : storeValue);
+        // 订阅连接响应信息
+        PubSub.subscribe("connectResultTopic", connectResultConsumer);
     }, [])
 
+    const connectResultConsumer = (msg: any, data: any) => {
+        if (data.success) {
+            setConnRowData(data.data);
+        }
+    }
 
     const changeTheme = () => {
         const targetTheme = context.theme == "light" ? "dark" : "light";
@@ -80,7 +87,7 @@ const Side = () => {
 
     const connect = (rowData: RowDataType<never>) => {
         console.log('connect rowData:', rowData);
-        setConnRowData(rowData);
+        // setConnRowData(rowData);
         // publish a topic asynchronously
         PubSub.publish('clusterInfoTopic', rowData);
     }
@@ -147,25 +154,22 @@ const Side = () => {
         <div className='side-container'>
 
             <div className='connect-container'>
-                <Grid fluid>
-                    <Row className='row-container'>
-                        <Col xs={20}>
-                            <Button className='conn-btn' appearance="primary" block
-                                    onClick={handleOpen}>新建连接</Button>
-                        </Col>
-                        <Col xs={4}>
-                            <IconButton
-                                icon={
-                                    <Icon
-                                        as={context.theme === 'light' ? MdOutlineNightlight : MdOutlineLightMode}
-                                    />
-                                }
-                                onClick={changeTheme}
-                            />
-                        </Col>
-                    </Row>
-                </Grid>
-
+                <div className='row-container'>
+                    <div className='conn-btn'>
+                        <Button appearance="primary" block
+                                onClick={handleOpen}>新建连接</Button>
+                    </div>
+                    <div className={"icon-btn"}>
+                        <IconButton
+                            icon={
+                                <Icon
+                                    as={context.theme === 'light' ? MdOutlineNightlight : MdOutlineLightMode}
+                                />
+                            }
+                            onClick={changeTheme}
+                        />
+                    </div>
+                </div>
             </div>
             <div className='cluster-list'>
                 <Table
@@ -182,7 +186,7 @@ const Side = () => {
                     }}
                 >
 
-                    <Column align="center" flexGrow={1}>
+                    <Column align="left" flexGrow={1}>
                         <HeaderCell>clusterName</HeaderCell>
                         <Cell dataKey="clusterName"/>
                     </Column>
diff --git a/src/index.scss b/src/index.scss
index e496a07..3f23859 100644
--- a/src/index.scss
+++ b/src/index.scss
@@ -5,6 +5,8 @@ body,
 html {
   font-family: 'LXGWWenKaiMono-Bold', sans-serif;
   font-size: 0.99em;
+  // 拖拽大小修改可能会出现滚动条，超出部分hidden处理
+  overflow: hidden;
 }
 
 @font-face {