diff --git a/Cargo.lock b/Cargo.lock
index d1a72305..9aff0431 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1932,6 +1932,7 @@ version = "0.0.1"
 dependencies = [
  "alacritty_terminal",
  "anyhow",
+ "base64 0.13.0",
  "bit-vec 0.5.1",
  "cc",
  "config",
@@ -1992,6 +1993,7 @@ version = "0.0.1"
 dependencies = [
  "alacritty_terminal",
  "anyhow",
+ "base64 0.13.0",
  "crossbeam-channel 0.5.1",
  "git2",
  "home",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index cf9e3097..075c572b 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Dongdong Zhou <dzhou121@gmail.com>"]
 edition = "2018"
 
 [dependencies]
+base64 = "0.13.0"
 alacritty_terminal = "0.15.0"
 config = "0.11"
 indexmap = "1.7.0"
diff --git a/core/src/command.rs b/core/src/command.rs
index b861ebaa..d4670ddc 100644
--- a/core/src/command.rs
+++ b/core/src/command.rs
@@ -384,7 +384,7 @@ pub enum LapceUICommand {
     UpdateLineChanges(BufferId),
     PublishDiagnostics(PublishDiagnosticsParams),
     UpdateDiffFiles(Vec<PathBuf>),
-    TerminalUpdateContent(TermId, TerminalContent),
+    TerminalUpdateContent(TermId, Arc<TerminalContent>),
     ReloadBuffer(BufferId, u64, String),
     EnsureVisible((Rect, (f64, f64), Option<EnsureVisiblePosition>)),
     EnsureRectVisible(Rect),
diff --git a/core/src/proxy.rs b/core/src/proxy.rs
index ad6d0fb5..d0583a8e 100644
--- a/core/src/proxy.rs
+++ b/core/src/proxy.rs
@@ -411,7 +411,7 @@ pub enum Notification {
     },
     UpdateTerminal {
         term_id: TermId,
-        content: Vec<u8>,
+        content: String,
     },
 }
 
diff --git a/core/src/terminal.rs b/core/src/terminal.rs
index eb8623ef..80bd7736 100644
--- a/core/src/terminal.rs
+++ b/core/src/terminal.rs
@@ -143,7 +143,7 @@ pub struct LapceTerminalData {
     pub widget_id: WidgetId,
     pub split_id: WidgetId,
     pub panel_widget_id: Option<WidgetId>,
-    pub content: TerminalContent,
+    pub content: Arc<TerminalContent>,
 }
 
 impl LapceTerminalData {
@@ -208,7 +208,7 @@ pub fn new(
             widget_id,
             split_id,
             panel_widget_id,
-            content: TerminalContent::new(),
+            content: Arc::new(TerminalContent::new()),
         }
     }
 }
@@ -282,9 +282,9 @@ pub fn run(&mut self, receiver: Receiver<TerminalEvent>) -> Result<()> {
                     }
                     alacritty_terminal::event::Event::CursorBlinkingChange(_) => {}
                     alacritty_terminal::event::Event::Wakeup => {
-                        let content = TerminalContent {
+                        let content = Arc::new(TerminalContent {
                             grid: self.term.grid().clone(),
-                        };
+                        });
                         self.event_sink.submit_command(
                             LAPCE_UI_COMMAND,
                             LapceUICommand::TerminalUpdateContent(
@@ -298,7 +298,7 @@ pub fn run(&mut self, receiver: Receiver<TerminalEvent>) -> Result<()> {
                     alacritty_terminal::event::Event::Exit => {}
                 },
                 TerminalEvent::UpdateContent(content) => {
-                    self.update_content(&content);
+                    self.update_content(content);
                     self.sender.send(TerminalEvent::Event(
                         alacritty_terminal::event::Event::Wakeup,
                     ));
@@ -307,9 +307,11 @@ pub fn run(&mut self, receiver: Receiver<TerminalEvent>) -> Result<()> {
         }
     }
 
-    pub fn update_content(&mut self, content: &[u8]) {
-        for byte in content {
-            self.parser.advance(&mut self.term, *byte);
+    pub fn update_content(&mut self, content: String) {
+        if let Ok(content) = base64::decode(content) {
+            for byte in content {
+                self.parser.advance(&mut self.term, byte);
+            }
         }
     }
 }
@@ -694,7 +696,7 @@ fn paint(&mut self, ctx: &mut PaintCtx, data: &LapceTabData, env: &Env) {
 pub enum TerminalEvent {
     Resize(usize, usize),
     Event(alacritty_terminal::event::Event),
-    UpdateContent(Vec<u8>),
+    UpdateContent(String),
 }
 
 pub enum TerminalHostEvent {
@@ -705,7 +707,7 @@ pub enum TerminalHostEvent {
     Exit,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Debug)]
 pub struct TerminalContent {
     grid: Grid<Cell>,
 }
diff --git a/proxy/Cargo.toml b/proxy/Cargo.toml
index e9fda887..957f5e46 100644
--- a/proxy/Cargo.toml
+++ b/proxy/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Dongdong Zhou <dzhou121@gmail.com>"]
 edition = "2018"
 
 [dependencies]
+base64 = "0.13.0"
 alacritty_terminal = "0.15.0"
 mio = "0.6.20"
 notify = "4.0.16"
diff --git a/proxy/src/terminal.rs b/proxy/src/terminal.rs
index 1cb224bf..bd112e8a 100644
--- a/proxy/src/terminal.rs
+++ b/proxy/src/terminal.rs
@@ -121,7 +121,7 @@ pub fn run(&mut self, dispatcher: Dispatcher) {
                                         "update_terminal",
                                         json!({
                                             "term_id": self.term_id,
-                                            "content": buf[..n],
+                                            "content": base64::encode(&buf[..n]),
                                         }),
                                     );
                                 }