diff --git a/src/components/exam/ExamModal.tsx b/src/components/exam/ExamModal.tsx
index a8f0a6c..b707f52 100644
--- a/src/components/exam/ExamModal.tsx
+++ b/src/components/exam/ExamModal.tsx
@@ -1,13 +1,13 @@
-import { useEffect, useRef, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import type { ExamClient, ExamModalTab } from '../../data/mockData';
-import type { CustomerAppointmentInfo, CustomerExamAddItem, CustomerInfo, OutputTongyishuFileInfo, PhysicalExamProgressItem } from '../../api';
-import { getCustomerDetail, getPhysicalExamProgressDetail, getTongyishuPdf, signInMedicalExamCenter, submitTongyishuSign } from '../../api';
-import { Button, SignaturePad, type SignaturePadHandle } from '../ui';
+import type { CustomerAppointmentInfo, CustomerExamAddItem, CustomerInfo, PhysicalExamProgressItem } from '../../api';
+import { getCustomerDetail, getPhysicalExamProgressDetail } from '../../api';
 import { ExamDetailPanel } from './ExamDetailPanel';
 import { ExamAddonPanel } from './ExamAddonPanel';
 import { ExamPrintPanel } from './ExamPrintPanel';
 import { ExamDeliveryPanel } from './ExamDeliveryPanel';
+import { ExamSignPanel } from './ExamSignPanel';
 
 interface ExamModalProps {
   client: ExamClient;
@@ -54,6 +54,7 @@ export const ExamModal = ({ client, tab, onTabChange, onClose }: ExamModalProps)
   const [appointmentInfo, setAppointmentInfo] = useState<CustomerAppointmentInfo | null>(null);
   const [addItemInfoList, setAddItemInfoList] = useState<CustomerExamAddItem[] | null>(null);
   const [progressList, setProgressList] = useState<PhysicalExamProgressItem[] | null>(null);
+  const [signBusy, setSignBusy] = useState(false);
 
   useEffect(() => {
     const physical_exam_id = Number(client.id);
@@ -88,16 +89,12 @@ export const ExamModal = ({ client, tab, onTabChange, onClose }: ExamModalProps)
         onDoubleClick={handleDoubleClick}
         onTouchStart={handleTouchStart}
       >
-
-        {/* Header 区域：增加了内边距 padding */}
         <div className='px-8 pt-6 pb-2'>
           <div className='flex items-center justify-between'>
-            {/* 左侧：姓名 + VIP + 体检号 */}
             <div className='flex items-end gap-3'>
               <span className='text-2xl font-bold text-gray-900 leading-none'>
                 {client.name}
               </span>
-              {/* VIP 徽章样式优化：紫色背景 + 左右内边距 */}
               <span className='inline-flex items-center justify-center bg-indigo-100 text-indigo-600 text-[11px] font-bold px-2 py-0.5 rounded h-5 align-bottom'>
                 VIP
               </span>
@@ -105,18 +102,16 @@ export const ExamModal = ({ client, tab, onTabChange, onClose }: ExamModalProps)
                 体检号：{client.id}
               </span>
             </div>
-
-            {/* 右侧：仅保留关闭按钮 */}
             <button
-              className='text-gray-400 hover:text-gray-600 transition-colors text-sm'
-              onClick={onClose}
+              className={`text-sm transition-colors ${signBusy ? 'text-gray-300 cursor-not-allowed' : 'text-gray-400 hover:text-gray-600'}`}
+              onClick={!signBusy ? onClose : undefined}
+              disabled={signBusy}
             >
               关闭
             </button>
           </div>
         </div>
 
-        {/* Tabs 区域 */}
         <div className='px-8 py-4 flex items-center justify-between'>
           <div className='flex items-center gap-3'>
             {tabs.map((t) => {
@@ -126,30 +121,24 @@ export const ExamModal = ({ client, tab, onTabChange, onClose }: ExamModalProps)
                 <button
                   key={t.key}
                   onClick={() => onTabChange(t.key)}
-                  // 样式修改：rounded-full (完全圆角), border 颜色调整, 增加选中时的阴影
                   className={`px-5 py-2 rounded-2xl border text-sm transition-all duration-200 ${isActive
                     ? 'bg-blue-600 text-white border-blue-600 shadow-md shadow-blue-200'
                     : isDone
                       ? 'bg-gray-50 text-gray-400 border-gray-100'
                       : 'bg-white text-gray-600 border-gray-200 hover:border-gray-300'
                     }`}
+                  disabled={signBusy}
                 >
                   {t.label}
-                  {/* 这里保留了原有逻辑，但微调了样式 */}
                   {t.key === 'addon' && (client.addonCount || 0) > 0 && (
                     <span className={`text-xs ${isActive ? 'text-blue-100' : 'text-gray-400'}`}>
                       ({client.addonCount})
                     </span>
                   )}
-                  {((t.key === 'sign' && signDone) || (t.key === 'print' && printDone)) && (
-                    <span className=''></span>
-                  )}
                 </button>
               );
             })}
           </div>
-
-          {/* 按钮部分：将原本在 Tab 右侧的任何操作可以放这里，或者留空 */}
         </div>
 
         <div className='px-4 py-4 bg-gray-50/60'>
@@ -163,402 +152,13 @@ export const ExamModal = ({ client, tab, onTabChange, onClose }: ExamModalProps)
               loading={detailLoading}
             />
           )}
-          {tab === 'sign' && <ExamSignPanel examId={Number(client.id)} />}
+          {tab === 'sign' && <ExamSignPanel examId={Number(client.id)} onBusyChange={setSignBusy} />}
           {tab === 'addon' && <ExamAddonPanel client={client} />}
           {tab === 'print' && <ExamPrintPanel client={client} />}
           {tab === 'delivery' && <ExamDeliveryPanel client={client} />}
         </div>
-
       </div>
     </div>
   );
 };
 
-const ExamSignPanel = ({ examId }: { examId?: number }) => {
-  const [idCardFile, setIdCardFile] = useState<File | null>(null);
-  const [previewImage, setPreviewImage] = useState<string | null>(null);
-  const [showImagePreview, setShowImagePreview] = useState(false);
-  const [signLoading, setSignLoading] = useState(false);
-  const [message, setMessage] = useState<string | null>(null);
-  const fileInputRef = useRef<HTMLInputElement | null>(null);
-  const [consentList, setConsentList] = useState<OutputTongyishuFileInfo[]>([]);
-  const [consentLoading, setConsentLoading] = useState(false);
-  const [consentMessage, setConsentMessage] = useState<string | null>(null);
-  const [previewPdf, setPreviewPdf] = useState<OutputTongyishuFileInfo | null>(null);
-  const [showSignature, setShowSignature] = useState(false);
-  const signaturePadRef = useRef<SignaturePadHandle | null>(null);
-  const [submitLoading, setSubmitLoading] = useState(false);
-  const [submitMessage, setSubmitMessage] = useState<string | null>(null);
-  const [signedCombinationCodes, setSignedCombinationCodes] = useState<number[]>([]);
-
-  const SIGN_STORAGE_KEY = 'yh_signed_consents';
-
-  const handlePickFile = () => {
-    fileInputRef.current?.click();
-  };
-
-  useEffect(() => {
-    if (typeof window === 'undefined') return;
-    const raw = localStorage.getItem(SIGN_STORAGE_KEY);
-    if (raw) {
-      try {
-        const parsed = JSON.parse(raw);
-        if (Array.isArray(parsed)) {
-          setSignedCombinationCodes(parsed.filter((x) => typeof x === 'number'));
-        }
-      } catch (err) {
-        console.warn('签名记录解析失败', err);
-      }
-    }
-  }, []);
-
-  const convertToJpg = async (file: File): Promise<File> => {
-    return new Promise((resolve, reject) => {
-      const reader = new FileReader();
-      reader.onload = (event) => {
-        const img = new Image();
-        img.onload = () => {
-          const canvas = document.createElement('canvas');
-          canvas.width = img.width;
-          canvas.height = img.height;
-          const ctx = canvas.getContext('2d');
-          if (!ctx) {
-            reject(new Error('无法创建画布上下文'));
-            return;
-          }
-          ctx.drawImage(img, 0, 0);
-          canvas.toBlob(
-            (blob) => {
-              if (!blob) {
-                reject(new Error('图片转换失败'));
-                return;
-              }
-              const jpgFile = new File([blob], 'id_card.jpg', { type: 'image/jpeg' });
-              resolve(jpgFile);
-            },
-            'image/jpeg',
-            0.92 // 质量 92%
-          );
-        };
-        img.onerror = () => reject(new Error('图片加载失败'));
-        img.src = event.target?.result as string;
-      };
-      reader.onerror = () => reject(new Error('文件读取失败'));
-      reader.readAsDataURL(file);
-    });
-  };
-
-  const handleFileChange = async (e: React.ChangeEvent<HTMLInputElement>) => {
-    const file = e.target.files?.[0];
-    if (!file) return;
-
-    setMessage(null);
-
-    try {
-      // 转换为 JPG 格式
-      const jpgFile = await convertToJpg(file);
-
-      // 保存文件用于签到
-      setIdCardFile(jpgFile);
-
-      // 生成预览图
-      const reader = new FileReader();
-      reader.onload = (event) => {
-        setPreviewImage(event.target?.result as string);
-      };
-      reader.readAsDataURL(jpgFile);
-    } catch (err) {
-      console.error('图片转换失败', err);
-      setMessage('图片处理失败，请重试');
-    }
-
-    e.target.value = '';
-  };
-
-  const handleSign = async () => {
-    if (!idCardFile) {
-      setMessage('请先上传身份证照片');
-      return;
-    }
-    setSignLoading(true);
-    setMessage(null);
-    try {
-      const res = await signInMedicalExamCenter({ id_no_pic: idCardFile });
-      const ok = res.Status === 200 && res.Data?.is_success === 0;
-      setMessage(ok ? '签到成功' : res.Message || '签到失败');
-    } catch (err) {
-      console.error(err);
-      setMessage('签到请求失败，请稍后重试');
-    } finally {
-      setSignLoading(false);
-    }
-  };
-
-  const handleSubmitSign = async () => {
-    if (!examId || !previewPdf?.combination_code) {
-      setSubmitMessage('缺少必要信息，无法提交签名');
-      return;
-    }
-
-    const dataUrl = signaturePadRef.current?.toDataURL('image/png');
-    if (!dataUrl) {
-      setSubmitMessage('请先完成签名');
-      return;
-    }
-
-    setSubmitLoading(true);
-    setSubmitMessage(null);
-    try {
-      // 将 base64 转换为 Blob
-      const blob = await fetch(dataUrl).then(r => r.blob());
-
-      // 提交签名
-      const res = await submitTongyishuSign({
-        exam_id: examId,
-        combination_code: previewPdf.combination_code,
-        sign_file: blob,
-      });
-
-      if (res.Status === 200) {
-        setSubmitMessage('签名提交成功');
-        // 记录已签名的组合代码
-        setSignedCombinationCodes((prev) => {
-          const code = Number(previewPdf.combination_code);
-          if (!Number.isFinite(code)) return prev || [];
-          const next = Array.from(new Set([...(prev || []), code]));
-          if (typeof window !== 'undefined') {
-            localStorage.setItem(SIGN_STORAGE_KEY, JSON.stringify(next));
-          }
-          return next;
-        });
-        // 2秒后关闭弹窗
-        setTimeout(() => {
-          setShowSignature(false);
-          setPreviewPdf(null);
-          setSubmitMessage(null);
-          signaturePadRef.current?.clear();
-        }, 2000);
-      } else {
-        setSubmitMessage(res.Message || '签名提交失败');
-      }
-    } catch (err) {
-      console.error('提交签名失败', err);
-      setSubmitMessage('签名提交失败，请稍后重试');
-    } finally {
-      setSubmitLoading(false);
-    }
-  };
-
-  useEffect(() => {
-    if (!examId) {
-      setConsentList([]);
-      setConsentMessage('缺少体检ID，无法获取知情同意书');
-      return;
-    }
-    setConsentLoading(true);
-    setConsentMessage(null);
-    getTongyishuPdf({ exam_id: examId })
-      .then((res) => {
-        const list = res.Data?.list_pdf_url || [];
-        setConsentList(list);
-        if (!list.length) {
-          setConsentMessage(res.Data?.message || '暂无知情同意书');
-        }
-      })
-      .catch((err) => {
-        console.error('获取知情同意书失败', err);
-        setConsentMessage('知情同意书加载失败，请稍后重试');
-      })
-      .finally(() => setConsentLoading(false));
-  }, [examId]);
-
-  return (
-    <div className='grid grid-cols-2 gap-4 text-sm'>
-      <div className='p-4 rounded-2xl border bg-gray-50/60 flex flex-col gap-3'>
-        <div className='font-medium'>身份证拍照与签到</div>
-        <div className='text-xs text-gray-500'>
-          拍照身份证后点击签到按钮完成签到。
-        </div>
-        <div className='flex items-center gap-3'>
-          <Button
-            className='py-1.5 px-3'
-            onClick={handlePickFile}
-            disabled={signLoading}
-          >
-            {idCardFile ? '重新拍照' : '拍照'}
-          </Button>
-          <input
-            ref={fileInputRef}
-            type='file'
-            accept='image/*'
-            capture='environment'
-            className='hidden'
-            onChange={handleFileChange}
-          />
-          {previewImage && (
-            <div
-              className='w-16 h-16 rounded-lg border-2 border-gray-300 overflow-hidden cursor-pointer hover:border-blue-500 transition-colors'
-              onClick={() => setShowImagePreview(true)}
-            >
-              <img
-                src={previewImage}
-                alt='身份证预览'
-                className='w-full h-full object-cover'
-              />
-            </div>
-          )}
-          <Button
-            className='py-1.5 px-4 flex-1'
-            onClick={handleSign}
-            disabled={signLoading || !idCardFile}
-          >
-            {signLoading ? '签到中...' : '签到'}
-          </Button>
-        </div>
-        {message && (
-          <div className={`text-xs ${message.includes('成功') ? 'text-green-600' : 'text-amber-600'}`}>
-            {message}
-          </div>
-        )}
-      </div>
-      {showImagePreview && previewImage && (
-        <div
-          className='fixed inset-0 z-[80] bg-black/90 flex items-center justify-center p-6'
-          onClick={() => setShowImagePreview(false)}
-        >
-          <div className='relative max-w-full max-h-full'>
-            <img
-              src={previewImage}
-              alt='身份证预览'
-              className='max-w-full max-h-[90vh] object-contain'
-            />
-            <Button
-              className='absolute top-4 right-4 bg-white/90 hover:bg-white'
-              onClick={() => setShowImagePreview(false)}
-            >
-              关闭
-            </Button>
-          </div>
-        </div>
-      )}
-      <div className='p-4 rounded-2xl border bg-gray-50/60 flex flex-col gap-3'>
-        <div className='font-medium'>体检知情同意书</div>
-        <div className='text-xs text-gray-500'>点击后弹出知情同意书全文及签名区域，签署完成后回到签到页面。</div>
-        <div className='flex flex-col gap-2'>
-          {consentLoading && <div className='text-xs text-gray-500'>加载中...</div>}
-          {!consentLoading && consentMessage && (
-            <div className='text-xs text-amber-600'>{consentMessage}</div>
-          )}
-          {!consentLoading && consentList.length > 0 && (
-            <div className='space-y-2'>
-              {consentList.map((item) => (
-                <div
-                  key={item.pdf_url || item.pdf_name}
-                  className='flex items-center justify-between gap-3 p-3 rounded-xl border bg-white shadow-sm'
-                >
-                  <div className='text-sm text-gray-800 truncate flex items-center gap-2 relative pr-20'>
-                    <span className='truncate'>{item.pdf_name}</span>
-                    {item.combination_code !== undefined &&
-                      signedCombinationCodes.includes(Number(item.combination_code)) && (
-                        <img
-                          src='/sign.png'
-                          alt='已签名'
-                          className='w-16 h-16 absolute right-2 top-1/2 -translate-y-1/2 pointer-events-none select-none'
-                          loading='lazy'
-                        />
-                      )}
-                  </div>
-                  <Button className='py-1.5 px-3' onClick={() => setPreviewPdf(item)}>
-                    查看
-                  </Button>
-                </div>
-              ))}
-            </div>
-          )}
-        </div>
-      </div>
-      {previewPdf && (
-        <div className='fixed inset-0 z-[60] bg-black/75 flex flex-col'>
-          <div className='flex items-center justify-between p-4 text-white bg-gray-900/80'>
-            <div className='text-sm font-medium truncate pr-3'>{previewPdf.pdf_name}</div>
-            <div className='flex items-center gap-2'>
-              <Button
-                className='py-1 px-3'
-                onClick={() => setShowSignature(true)}
-              >
-                签到
-              </Button>
-              <Button className='py-1 px-3' onClick={() => setPreviewPdf(null)}>
-                关闭
-              </Button>
-            </div>
-          </div>
-          <div className='flex-1 bg-gray-100'>
-            <iframe
-              src={previewPdf.pdf_url}
-              title={previewPdf.pdf_name}
-              className='w-full h-full'
-            />
-          </div>
-        </div>
-      )}
-      {showSignature && (
-        <div className='fixed inset-0 z-[70] bg-black/80 flex items-center justify-center px-6'>
-          <div className='bg-white rounded-2xl w-full max-w-3xl shadow-2xl p-4 flex flex-col gap-4'>
-            <div className='flex items-center justify-between'>
-              <div className='text-base font-semibold text-gray-900'>签署知情同意书</div>
-              <div className='flex items-center gap-2'>
-                <Button className='py-1 px-3' onClick={() => setShowSignature(false)}>
-                  关闭
-                </Button>
-              </div>
-            </div>
-            <div className='ui7-signature-wrapper border rounded-xl overflow-hidden bg-gray-50'>
-              <SignaturePad
-                ref={signaturePadRef}
-                className='ui7-signature-canvas w-full h-72 bg-white touch-none'
-              />
-              <div className='flex items-center justify-between px-3 py-2 bg-gray-50 border-t'>
-                <div className='text-xs text-gray-500'>请在上方区域签名完成签到</div>
-                <Button
-                  className='ui7-clear-button py-1 px-3'
-                  onClick={() => signaturePadRef.current?.clear()}
-                >
-                  清除
-                </Button>
-              </div>
-            </div>
-            {submitMessage && (
-              <div className={`text-sm text-center ${submitMessage.includes('成功') ? 'text-green-600' : 'text-amber-600'
-                }`}>
-                {submitMessage}
-              </div>
-            )}
-            <div className='flex items-center justify-end gap-3'>
-              <Button
-                className='py-2 px-6'
-                onClick={() => {
-                  setShowSignature(false);
-                  setSubmitMessage(null);
-                  signaturePadRef.current?.clear();
-                }}
-                disabled={submitLoading}
-              >
-                取消
-              </Button>
-              <Button
-                className='py-2 px-6 bg-blue-600 text-white hover:bg-blue-700'
-                onClick={handleSubmitSign}
-                disabled={submitLoading}
-              >
-                {submitLoading ? '提交中...' : '提交签名'}
-              </Button>
-            </div>
-          </div>
-        </div>
-      )}
-    </div>
-  );
-};
-
-
diff --git a/src/components/exam/ExamSignPanel.tsx b/src/components/exam/ExamSignPanel.tsx
index 5edb4de..78050a5 100644
--- a/src/components/exam/ExamSignPanel.tsx
+++ b/src/components/exam/ExamSignPanel.tsx
@@ -7,9 +7,10 @@ import { Button, SignaturePad } from '../ui';
 
 interface ExamSignPanelProps {
   examId?: number;
+  onBusyChange?: (busy: boolean) => void;
 }
 
-export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
+export const ExamSignPanel = ({ examId, onBusyChange }: ExamSignPanelProps) => {
   const [idCardFile, setIdCardFile] = useState<File | null>(null);
   const [previewImage, setPreviewImage] = useState<string | null>(null);
   const [showImagePreview, setShowImagePreview] = useState(false);
@@ -25,6 +26,12 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
   const [submitLoading, setSubmitLoading] = useState(false);
   const [submitMessage, setSubmitMessage] = useState<string | null>(null);
   const [signedCombinationCodes, setSignedCombinationCodes] = useState<number[]>([]);
+  const busy = signLoading || submitLoading || consentLoading;
+
+  useEffect(() => {
+    onBusyChange?.(busy);
+    return () => onBusyChange?.(false);
+  }, [busy, onBusyChange]);
 
   const SIGN_STORAGE_KEY = 'yh_signed_consents';
 
@@ -205,7 +212,7 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
         <div className='font-medium'>身份证拍照与签到</div>
         <div className='text-xs text-gray-500'>拍照身份证后点击签到按钮完成签到。</div>
         <div className='flex items-center gap-3'>
-          <Button className='py-1.5 px-3' onClick={handlePickFile} disabled={signLoading}>
+          <Button className='py-1.5 px-3' onClick={handlePickFile} disabled={busy}>
             {idCardFile ? '重新拍照' : '拍照'}
           </Button>
           <input
@@ -224,7 +231,7 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
               <img src={previewImage} alt='身份证预览' className='w-full h-full object-cover' />
             </div>
           )}
-          <Button className='py-1.5 px-4 flex-1' onClick={handleSign} disabled={signLoading || !idCardFile}>
+          <Button className='py-1.5 px-4 flex-1' onClick={handleSign} disabled={busy || !idCardFile}>
             {signLoading ? '签到中...' : '签到'}
           </Button>
         </div>
@@ -266,7 +273,7 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
                       />
                     )}
                   </div>
-                  <Button className='py-1.5 px-3' onClick={() => setPreviewPdf(item)}>
+                  <Button className='py-1.5 px-3' onClick={() => !busy && setPreviewPdf(item)} disabled={busy}>
                     查看
                   </Button>
                 </div>
@@ -280,10 +287,10 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
           <div className='flex items-center justify-between p-4 text-white bg-gray-900/80'>
             <div className='text-sm font-medium truncate pr-3'>{previewPdf.pdf_name}</div>
             <div className='flex items-center gap-2'>
-              <Button className='py-1 px-3' onClick={() => setShowSignature(true)}>
+              <Button className='py-1 px-3' onClick={() => !busy && setShowSignature(true)} disabled={busy}>
                 签到
               </Button>
-              <Button className='py-1 px-3' onClick={() => setPreviewPdf(null)}>
+              <Button className='py-1 px-3' onClick={() => !busy && setPreviewPdf(null)} disabled={busy}>
                 关闭
               </Button>
             </div>
@@ -299,7 +306,7 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
             <div className='flex items-center justify之间'>
               <div className='text-base font-semibold text-gray-900'>签署知情同意书</div>
               <div className='flex items-center gap-2'>
-                <Button className='py-1 px-3' onClick={() => setShowSignature(false)}>
+                <Button className='py-1 px-3' onClick={() => setShowSignature(false)} disabled={busy}>
                   关闭
                 </Button>
               </div>
@@ -311,7 +318,7 @@ export const ExamSignPanel = ({ examId }: ExamSignPanelProps) => {
               />
               <div className='flex items-center justify-between px-3 py-2 bg-gray-50 border-t'>
                 <div className='text-xs text-gray-500'>请在上方区域签名完成签到</div>
-                <Button className='ui7-clear-button py-1 px-3' onClick={() => signaturePadRef.current?.clear()}>
+                <Button className='ui7-clear-button py-1 px-3' onClick={() => signaturePadRef.current?.clear()} disabled={submitLoading}>
                   清除
                 </Button>
               </div>