diff --git a/src/core/trend-engine.ts b/src/core/trend-engine.ts
index 5861709..09e12ba 100644
--- a/src/core/trend-engine.ts
+++ b/src/core/trend-engine.ts
@@ -1,3 +1,4 @@
+import crypto from "crypto";
 import type { TradingConfig } from "../config";
 import type { ExchangeAdapter } from "../exchanges/adapter";
 import type {
@@ -27,6 +28,7 @@ import type { OrderLockMap, OrderPendingMap, OrderTimerMap } from "./order-coord
 import { isUnknownOrderError } from "../utils/errors";
 import { roundDownToTick } from "../utils/math";
 import { createTradeLog, type TradeLogEntry } from "../state/trade-log";
+import { decryptCopyright } from "../utils/copyright";
 
 export interface TrendEngineSnapshot {
   ready: boolean;
@@ -91,6 +93,10 @@ export class TrendEngine {
   private ordersSnapshotReady = false;
   private startupLogged = false;
   private entryPricePendingLogged = false;
+  private readonly copyrightFingerprint = crypto
+    .createHash("sha256")
+    .update(decryptCopyright())
+    .digest("hex");
 
   private readonly listeners = new Map<TrendEngineEvent, Set<TrendEngineListener>>();
 
diff --git a/src/ui/App.tsx b/src/ui/App.tsx
index b0cd784..d969a76 100644
--- a/src/ui/App.tsx
+++ b/src/ui/App.tsx
@@ -1,8 +1,9 @@
-import React, { useState } from "react";
+import React, { useMemo, useState } from "react";
 import { Box, Text, useInput } from "ink";
 import { TrendApp } from "./TrendApp";
 import { MakerApp } from "./MakerApp";
 import { OffsetMakerApp } from "./OffsetMakerApp";
+import { loadCopyrightFragments, verifyCopyrightIntegrity } from "../utils/copyright";
 
 interface StrategyOption {
   id: "trend" | "maker" | "offset-maker";
@@ -37,6 +38,8 @@ const inputSupported = Boolean(process.stdin && (process.stdin as any).isTTY);
 export function App() {
   const [cursor, setCursor] = useState(0);
   const [selected, setSelected] = useState<StrategyOption | null>(null);
+  const copyright = useMemo(() => loadCopyrightFragments(), []);
+  const integrityOk = useMemo(() => verifyCopyrightIntegrity(), []);
 
   useInput(
     (input, key) => {
@@ -62,6 +65,13 @@ export function App() {
 
   return (
     <Box flexDirection="column" paddingX={1} paddingY={1}>
+      <Text color="gray">{copyright.bannerText}</Text>
+      {integrityOk ? null : (
+        <Text color="red">警告: 版权校验失败，当前版本可能被篡改。</Text>
+      )}
+      <Box height={1}>
+        <Text color="gray">────────────────────────────────────────────────────</Text>
+      </Box>
       <Text color="cyanBright">请选择要运行的策略</Text>
       <Text color="gray">使用 ↑/↓ 选择，回车开始，Ctrl+C 退出。</Text>
       <Box flexDirection="column" marginTop={1}>
diff --git a/src/utils/copyright.ts b/src/utils/copyright.ts
new file mode 100644
index 0000000..bb05938
--- /dev/null
+++ b/src/utils/copyright.ts
@@ -0,0 +1,56 @@
+import crypto from "crypto";
+
+const ENCRYPTED_COPYRIGHT = "gbbx3pZWTqgMmLcH3fM0qefo6q4eHR0weNjfLcWY5oPhfwH9DaDEWAvhItfzGbBJzJ6UuVPOb1vqMAL0qpPdw+q0bf13Tz8ewMR3cSHyH8R59KfasAo=";
+const PRIMARY_HASH = "a637d95de2b7d13af96b7c0deb286a439b1b07408577ae97c93e6fdbaa6526bf";
+const SECONDARY_HASH = "2e9c48cef9b6c3af45313946e3d766b3d8b9a3a12df6906abe90ebeca694fec8";
+const LEGACY_SHAS = [
+  PRIMARY_HASH,
+  "65d686f80a5360a4f16cf2dbce962f2dd32e88bdee6fa7b8929f8a854ea12de9",
+  "e3d59bfd872fc54d3c814edb200ef9d4916bea86e3f7de925f2b4d5efbc1ec49",
+  "27f5777af8faec4ce80bd3cfe6302c7d66be138de25e941544b9b2895207b70e",
+];
+
+const PASSPHRASE = "RitMEX#copyright#guard#2025";
+
+const iv = Buffer.from(ENCRYPTED_COPYRIGHT, "base64").subarray(0, 12);
+const authTag = Buffer.from(ENCRYPTED_COPYRIGHT, "base64").subarray(12, 28);
+const ciphertext = Buffer.from(ENCRYPTED_COPYRIGHT, "base64").subarray(28);
+
+function deriveKey(seed: string) {
+  return crypto.createHash("sha256").update(seed).digest();
+}
+
+export function decryptCopyright(): string {
+  const key = deriveKey(PASSPHRASE);
+  const decipher = crypto.createDecipheriv("aes-256-gcm", key, iv);
+  decipher.setAuthTag(authTag);
+  return Buffer.concat([decipher.update(ciphertext), decipher.final()]).toString("utf8");
+}
+
+export function verifyCopyrightIntegrity(): boolean {
+  const plaintext = decryptCopyright();
+  const primary = crypto.createHash("sha256").update(plaintext).digest("hex");
+  const chained = crypto.createHash("sha256").update(primary).digest("hex");
+  return (
+    primary === PRIMARY_HASH &&
+    chained === SECONDARY_HASH &&
+    LEGACY_SHAS.some((hash) => {
+      try {
+        return crypto.timingSafeEqual(Buffer.from(hash, "hex"), Buffer.from(primary, "hex"));
+      } catch {
+        return false;
+      }
+    })
+  );
+}
+
+export function loadCopyrightFragments() {
+  const bannerText = decryptCopyright();
+  return {
+    bannerText,
+    primaryHash: PRIMARY_HASH,
+    secondaryHash: SECONDARY_HASH,
+    integrityOk: verifyCopyrightIntegrity(),
+  };
+}
+
diff --git a/src/utils/security.ts b/src/utils/security.ts
new file mode 100644
index 0000000..f9fff89
--- /dev/null
+++ b/src/utils/security.ts
@@ -0,0 +1,20 @@
+import crypto from "crypto";
+
+const MIRROR_HASHES = [
+  "a637d95de2b7d13af96b7c0deb286a439b1b07408577ae97c93e6fdbaa6526bf",
+  "2e9c48cef9b6c3af45313946e3d766b3d8b9a3a12df6906abe90ebeca694fec8",
+  "57919d55779fbcba1fdd6dfea07e9a6a567c0e9000ab63f25df4e998f3e84b8e",
+  "27f5777af8faec4ce80bd3cfe6302c7d66be138de25e941544b9b2895207b70e",
+];
+
+export function checkIntegrity(payload: string) {
+  const digest = crypto.createHash("sha256").update(payload, "utf8").digest("hex");
+  return MIRROR_HASHES.some((hash) => {
+    try {
+      return crypto.timingSafeEqual(Buffer.from(hash, "hex"), Buffer.from(digest, "hex"));
+    } catch {
+      return false;
+    }
+  });
+}
+