diff --git a/orion-visor-ui/src/api/exec/exec-log.ts b/orion-visor-ui/src/api/exec/exec-log.ts
index bd15063b..b7aaf332 100644
--- a/orion-visor-ui/src/api/exec/exec-log.ts
+++ b/orion-visor-ui/src/api/exec/exec-log.ts
@@ -32,7 +32,6 @@ export interface ExecLogQueryResponse extends TableData, ExecLogQueryExtraRespon
   startTime: number;
   finishTime: number;
   hostIdList: Array<number>;
-  hosts: Array<ExecHostLogQueryResponse>;
 }
 
 /**
diff --git a/orion-visor-ui/src/components/exec/log/panel/log-appender.ts b/orion-visor-ui/src/components/exec/log/panel/log-appender.ts
index c753943d..85ca5644 100644
--- a/orion-visor-ui/src/components/exec/log/panel/log-appender.ts
+++ b/orion-visor-ui/src/components/exec/log/panel/log-appender.ts
@@ -13,7 +13,7 @@ import { Terminal } from '@xterm/xterm';
 import { FitAddon } from '@xterm/addon-fit';
 import { SearchAddon } from '@xterm/addon-search';
 import { WebLinksAddon } from '@xterm/addon-web-links';
-import { WebglAddon } from '@xterm/addon-webgl';
+import { CanvasAddon } from '@xterm/addon-canvas';
 import { Unicode11Addon } from '@xterm/addon-unicode11';
 
 // 执行日志 appender 实现
@@ -129,20 +129,20 @@ export default class LogAppender implements ILogAppender {
   // 初始化插件
   initAddons(terminal: Terminal): XtermAddons {
     const fit = new FitAddon();
+    const canvas = new CanvasAddon();
     const search = new SearchAddon();
-    const webgl = new WebglAddon();
     const weblink = new WebLinksAddon();
     const unicode = new Unicode11Addon();
     terminal.loadAddon(fit);
+    terminal.loadAddon(canvas);
     terminal.loadAddon(search);
-    terminal.loadAddon(webgl);
     terminal.loadAddon(weblink);
     terminal.loadAddon(unicode);
     terminal.unicode.activeVersion = '11';
     return {
       fit,
+      canvas,
       search,
-      webgl,
       weblink,
       unicode
     } as XtermAddons;
@@ -177,7 +177,7 @@ export default class LogAppender implements ILogAppender {
       if (this.client?.readyState === WebSocket.OPEN) {
         this.client?.send('p');
       }
-    }, 15000);
+    }, 15000) as unknown as number;
   }
 
   // 设置当前元素
diff --git a/orion-visor-ui/src/views/host/terminal/handler/ssh-session.ts b/orion-visor-ui/src/views/host/terminal/handler/ssh-session.ts
index a0638480..88917381 100644
--- a/orion-visor-ui/src/views/host/terminal/handler/ssh-session.ts
+++ b/orion-visor-ui/src/views/host/terminal/handler/ssh-session.ts
@@ -33,10 +33,14 @@ export default class SshSession extends BaseSession implements ISshSession {
 
   private readonly addons: XtermAddons;
 
+  private readonly canUseWebgl: boolean;
+
   constructor(tab: TerminalPanelTabItem,
-              channel: ITerminalChannel) {
+              channel: ITerminalChannel,
+              canUseWebgl: boolean) {
     super(PanelSessionType.SSH.type, tab);
     this.channel = channel;
+    this.canUseWebgl = canUseWebgl;
     this.status = TerminalStatus.CONNECTING;
     this.inst = undefined as unknown as Terminal;
     this.handler = undefined as unknown as ISshSessionHandler;
@@ -173,7 +177,7 @@ export default class SshSession extends BaseSession implements ISshSession {
     if (preference.pluginsSetting.enableWeblinkPlugin) {
       this.addons.weblink = new WebLinksAddon();
     }
-    if (preference.pluginsSetting.enableWebglPlugin) {
+    if (preference.pluginsSetting.enableWebglPlugin && this.canUseWebgl) {
       // WebGL 渲染插件
       this.addons.webgl = new WebglAddon(true);
     } else {
diff --git a/orion-visor-ui/src/views/host/terminal/handler/terminal-session-manager.ts b/orion-visor-ui/src/views/host/terminal/handler/terminal-session-manager.ts
index 274ab071..1dd519d0 100644
--- a/orion-visor-ui/src/views/host/terminal/handler/terminal-session-manager.ts
+++ b/orion-visor-ui/src/views/host/terminal/handler/terminal-session-manager.ts
@@ -37,8 +37,14 @@ export default class TerminalSessionManager implements ITerminalSessionManager {
   async openSsh(tab: TerminalPanelTabItem, domRef: XtermDomRef) {
     // 初始化客户端
     await this.initChannel();
+    // 获取会话数量
+    const sshSessionLen = Object.values(this.sessions)
+      .filter(s => s?.type === PanelSessionType.SSH.type)
+      .length;
+    // 检查 webgl 数量
+    const canUseWebgl = (sshSessionLen || 0) <= (navigator.hardwareConcurrency || 0) / 2;
     // 新建会话
-    const session = new SshSession(tab, this.channel);
+    const session = new SshSession(tab, this.channel, canUseWebgl);
     // 初始化
     session.init(domRef);
     // 等待前端渲染完成