diff --git a/src/App.tsx b/src/App.tsx
index 6c7ebb0..c7113c9 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -7,8 +7,10 @@ import { getDemoServerInstance } from "./ot/server";
 function Editor({ name }: { name: string }) {
   const clientRef = useRef<Client | null>(null);
   const [doc, setDoc] = useState<string>("");
+  const [inputValue, setInputValue] = useState<string>("");
   const prevDocRef = useRef<string>("");
   const [enableSync, setEnableSync] = useState<boolean>(true);
+  const isComposingRef = useRef<boolean>(false);
 
   // 初始化client和文档状态
   useLayoutEffect(() => {
@@ -18,6 +20,7 @@ function Editor({ name }: { name: string }) {
       const initialDoc = clientRef.current.document || "";
       prevDocRef.current = initialDoc;
       setDoc(initialDoc);
+      setInputValue(initialDoc);
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
@@ -35,9 +38,19 @@ function Editor({ name }: { name: string }) {
     return () => clearInterval(timer);
   }, []);
 
-  const handleChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
+  // 当doc变化时，同步到inputValue
+  useEffect(() => {
+    setInputValue(doc);
+  }, [doc]);
+
+  const handleChange = (newValue: string) => {
     if (!clientRef.current) return;
-    const newValue = e.target.value;
+    // 立即更新inputValue，让输入框响应更快
+    setInputValue(newValue);
+    // 如果正在输入CJK字符，不触发onChange逻辑
+    if (isComposingRef.current) {
+      return;
+    }
     // 使用client当前文档状态作为旧值
     const oldValue = clientRef.current.document || "";
     if (newValue !== oldValue) {
@@ -50,6 +63,16 @@ function Editor({ name }: { name: string }) {
     }
   };
 
+  const handleCompositionStart = () => {
+    isComposingRef.current = true;
+  };
+
+  const handleCompositionEnd = (e: React.CompositionEvent<HTMLTextAreaElement>) => {
+    isComposingRef.current = false;
+    // composition结束后，手动触发一次change处理
+    handleChange(e.currentTarget.value);
+  };
+
   const handleToggleSync = () => {
     const newValue = !enableSync;
     setEnableSync(newValue);
@@ -59,7 +82,9 @@ function Editor({ name }: { name: string }) {
   };
 
   return (
-    <div style={{ border: "1px solid #ccc", padding: 10 }}>
+    <div
+      style={{ border: "1px solid #ccc", padding: 10, display: "flex", flexDirection: "column", paddingRight: 16 }}
+    >
       <div
         style={{
           display: "flex",
@@ -74,27 +99,63 @@ function Editor({ name }: { name: string }) {
           <span>同步到服务端</span>
         </label>
       </div>
-      <textarea value={doc} onChange={handleChange} rows={5} />
+      <textarea
+        value={inputValue}
+        onChange={(e) => handleChange(e.target.value)}
+        onCompositionStart={handleCompositionStart}
+        onCompositionEnd={handleCompositionEnd}
+        style={{ width: "100%", height: 100 }}
+      />
     </div>
   );
 }
 
-function App() {
+export function Server() {
   const [serverDoc, setServerDoc] = useState<string>("");
+  const [operations, setOperations] = useState<string[]>([]);
 
   useEffect(() => {
     const timer = setInterval(() => {
-      setServerDoc(getDemoServerInstance().document || "");
+      const server = getDemoServerInstance();
+      setServerDoc(server.document || "");
+      setOperations(server.operations.map((op) => op.toString()));
     }, 100);
     return () => clearInterval(timer);
   }, []);
 
   return (
-    <div>
-      <div style={{ border: "1px solid #ccc", padding: 10, height: 100 }}>
-        <p>Server Document:</p>
-        <p>{serverDoc}</p>
+    <div style={{ border: "1px solid #ccc", padding: 10, height: 150 }}>
+      <div style={{ display: "flex", gap: 20 }}>
+        <div style={{ flex: 1 }}>
+          <p style={{ margin: "0 0 10px 0" }}>Server Document:</p>
+          <p style={{ margin: 0 }}>{serverDoc}</p>
+        </div>
+        <div style={{ flex: 1 }}>
+          <p style={{ margin: "0 0 10px 0" }}>Operations:</p>
+          <div style={{ maxHeight: 100, overflowY: "auto" }}>
+            {operations.length === 0 ? (
+              <p style={{ margin: 0, color: "#999", fontSize: 14 }}>暂无操作</p>
+            ) : (
+              operations.map((opStr, index) => (
+                <div
+                  key={index}
+                  style={{ marginBottom: 4, fontFamily: "monospace", fontSize: "12px" }}
+                >
+                  {index + 1}. {opStr}
+                </div>
+              ))
+            )}
+          </div>
+        </div>
       </div>
+    </div>
+  );
+}
+
+function App() {
+  return (
+    <div>
+      <Server />
       <div style={{ display: "flex", gap: 10, marginTop: 20 }}>
         <Editor name="A" />
         <Editor name="B" />