diff --git a/app/globals.css b/app/globals.css
index a088d04..24d68b2 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -2800,32 +2800,6 @@ button:active:not(:disabled),
   margin-bottom: 0;
 }
 
-.auth-captcha-row {
-  display: grid;
-  grid-template-columns: minmax(0, 1fr) 118px;
-  gap: 8px;
-  align-items: center;
-}
-
-.auth-captcha-button {
-  height: 44px;
-  border: 1px solid var(--line);
-  border-radius: 8px;
-  background: #ffffff;
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  padding: 0;
-  overflow: hidden;
-}
-
-.auth-captcha-button img {
-  width: 100%;
-  height: 100%;
-  display: block;
-  object-fit: cover;
-}
-
 .auth-submit,
 .auth-submit.button {
   width: 100%;
@@ -2899,8 +2873,4 @@ button:active:not(:disabled),
     width: 34px;
     min-height: 34px;
   }
-
-  .auth-captcha-row {
-    grid-template-columns: minmax(0, 1fr) 104px;
-  }
 }
diff --git a/components/auth-login-panel.tsx b/components/auth-login-panel.tsx
index 9cedf39..1013c5b 100644
--- a/components/auth-login-panel.tsx
+++ b/components/auth-login-panel.tsx
@@ -1,9 +1,9 @@
 "use client";
 
-import { useEffect, useMemo, useRef, useState } from "react";
+import { useEffect, useRef, useState } from "react";
 import type { FormEvent } from "react";
 import Image from "next/image";
-import { Loader2, LogIn, RefreshCw } from "lucide-react";
+import { Loader2, LogIn } from "lucide-react";
 import { pulseFeedback, revealChildren, runScopedMotion } from "@/lib/ui/motion";
 
 export function AuthLoginPanel({
@@ -19,8 +19,6 @@ export function AuthLoginPanel({
 }) {
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
-  const [code, setCode] = useState("");
-  const [randomStr, setRandomStr] = useState("");
   const [submitting, setSubmitting] = useState(false);
   const [error, setError] = useState<string | null>(null);
   const screenRef = useRef<HTMLDivElement | null>(null);
@@ -35,16 +33,6 @@ export function AuthLoginPanel({
     pulseFeedback(feedbackRef.current);
   }, [error, message, missing?.join(",")]);
 
-  const captchaSrc = useMemo(() => {
-    if (!randomStr) return "";
-    return `/api/auth/captcha?randomStr=${encodeURIComponent(randomStr)}`;
-  }, [randomStr]);
-
-  function refreshCaptcha() {
-    setCode("");
-    setRandomStr(crypto.randomUUID());
-  }
-
   async function submit(event: FormEvent<HTMLFormElement>) {
     event.preventDefault();
     if (!configured || submitting) return;
@@ -52,10 +40,6 @@ export function AuthLoginPanel({
     setError(null);
     try {
       const payload: Record<string, string> = { username, password, next };
-      if (code.trim() && randomStr) {
-        payload.code = code.trim();
-        payload.randomStr = randomStr;
-      }
       const response = await fetch("/api/auth/password", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
@@ -66,7 +50,6 @@ export function AuthLoginPanel({
       window.location.assign(result.redirectTo || next || "/create");
     } catch (err) {
       setError(err instanceof Error ? err.message : String(err));
-      refreshCaptcha();
     } finally {
       setSubmitting(false);
     }
@@ -116,29 +99,6 @@ export function AuthLoginPanel({
               placeholder="请输入密码"
             />
           </label>
-          <label className="field" data-animate>
-            <span>验证码</span>
-            <div className="auth-captcha-row">
-              <input
-                autoComplete="off"
-                value={code}
-                onChange={(event) => setCode(event.target.value)}
-                disabled={!configured || submitting}
-                placeholder="需要时填写"
-              />
-              <button
-                className="auth-captcha-button"
-                type="button"
-                onClick={refreshCaptcha}
-                disabled={!configured || submitting}
-                aria-label="刷新验证码"
-                title="刷新验证码"
-              >
-                {captchaSrc ? <img src={captchaSrc} alt="验证码" /> : <RefreshCw size={18} />}
-              </button>
-            </div>
-          </label>
-
           <button className="button primary auth-submit" type="submit" disabled={!configured || submitting || !username.trim() || !password} data-animate>
             {submitting ? <Loader2 className="spin" size={18} /> : <LogIn size={18} />}
             登录
diff --git a/tests/auth-login-panel.test.ts b/tests/auth-login-panel.test.ts
new file mode 100644
index 0000000..ad89e16
--- /dev/null
+++ b/tests/auth-login-panel.test.ts
@@ -0,0 +1,14 @@
+import { readFile } from "node:fs/promises";
+import { join } from "node:path";
+import { describe, expect, it } from "vitest";
+
+describe("AuthLoginPanel", () => {
+  it("does not render captcha controls", async () => {
+    const source = await readFile(join(process.cwd(), "components", "auth-login-panel.tsx"), "utf8");
+
+    expect(source).not.toContain("auth-captcha-row");
+    expect(source).not.toContain("auth-captcha-button");
+    expect(source).not.toContain("/api/auth/captcha");
+    expect(source).not.toContain("randomStr");
+  });
+});