diff --git a/apps/frontend/src/components/files/ImagePreviewList.tsx b/apps/frontend/src/components/files/ImagePreviewList.tsx
index 76638a59..72ccacda 100644
--- a/apps/frontend/src/components/files/ImagePreviewList.tsx
+++ b/apps/frontend/src/components/files/ImagePreviewList.tsx
@@ -44,10 +44,15 @@ function normalizePreviewItems(files: UploadedFile[], imageUrls: string[]) {
       mediumUrl: file.mediumUrl || file.url,
     }))
     .filter((item) => Boolean(item.url))
-  const fileUrlSet = new Set(normalizedFiles.map((item) => item.url))
+  const fileUrlSet = new Set(normalizedFiles.map((item) => getImageIdentity(item.url)))
   const normalizedUrls = imageUrls
     .map((url) => String(url || '').trim())
-    .filter((url) => url && !fileUrlSet.has(url))
+    .filter((url) => url && !fileUrlSet.has(getImageIdentity(url)))
     .map((url) => ({ url, thumbnailUrl: url, mediumUrl: url }))
   return [...normalizedFiles, ...normalizedUrls]
 }
+
+/** 忽略临时签名参数，避免同一存储对象重复显示。 */
+function getImageIdentity(value: string) {
+  return String(value || '').trim().split(/[?#]/, 1)[0]
+}
diff --git a/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx b/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
index fc35c2d4..fb45a88d 100644
--- a/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
+++ b/apps/frontend/src/pages/worker/WorkerOrdersPage.tsx
@@ -22,6 +22,7 @@ import {
   Table,
   Tabs,
   Tag,
+  Tooltip,
   Typography,
 } from 'antd'
 import type { TableColumnsType } from 'antd'
@@ -167,20 +168,7 @@ export default function WorkerOrdersPage() {
     const source = hasSubmittedAcceptance(order)
       ? getWorkerAcceptance(order)
       : getWorkerDraft(order)
-    setAcceptanceFiles([
-      ...getAcceptanceFilesFromSource(source),
-      ...(Array.isArray(source.imageUrls) ? source.imageUrls : []).map(
-        (url): UploadedFile => ({
-          objectKey: '',
-          url: String(url || ''),
-          thumbnailUrl: String(url || ''),
-          mediumUrl: String(url || ''),
-          filename: '图片',
-          contentType: '',
-          size: 0,
-        }),
-      ),
-    ])
+    setAcceptanceFiles(getUniqueAcceptanceFiles(source))
     form.setFieldsValue({ note: String(source.note || '') })
     setDetailOrder(null)
   }
@@ -438,27 +426,33 @@ export default function WorkerOrdersPage() {
     },
     {
       title: '操作',
-      width: 260,
+      width: 190,
       render: (_, row) => (
-        <Space wrap>
-          <Button icon={<EyeOutlined />} onClick={() => setDetailOrder(row)}>
-            详情
-          </Button>
-          {canEditAcceptanceImages(row) ? (
-            <Button
-              icon={<PictureOutlined />}
-              type={canSubmitAcceptance(row) ? 'primary' : 'default'}
-              onClick={() => openAcceptanceModal(row)}
-            >
-              {hasSubmittedAcceptance(row) ? '补充图片' : '上传图片 / 提交验收'}
-            </Button>
-          ) : null}
+        <div className="worker-order-actions">
+          <Space size={8}>
+            <Tooltip title="查看详情">
+              <Button
+                aria-label="查看详情"
+                icon={<EyeOutlined />}
+                onClick={() => setDetailOrder(row)}
+              />
+            </Tooltip>
+            {canEditAcceptanceImages(row) ? (
+              <Button
+                icon={<PictureOutlined />}
+                type={canSubmitAcceptance(row) ? 'primary' : 'default'}
+                onClick={() => openAcceptanceModal(row)}
+              >
+                {hasSubmittedAcceptance(row) ? '补充图片' : '验收'}
+              </Button>
+            ) : null}
+          </Space>
           {canCancelOrder(row) ? (
-            <Button danger onClick={() => openCancelModal(row)}>
+            <Button type="link" danger size="small" onClick={() => openCancelModal(row)}>
               取消接单
             </Button>
           ) : null}
-        </Space>
+        </div>
       ),
     },
   ]
@@ -740,7 +734,7 @@ export default function WorkerOrdersPage() {
           editingOrder
             ? hasSubmittedAcceptance(editingOrder)
               ? '补充验收图片'
-              : '提交验收'
+              : '验收图片'
             : '验收图片'
         }
         open={Boolean(editingOrder)}
@@ -762,10 +756,7 @@ export default function WorkerOrdersPage() {
               >
                 取消
               </Button>
-              <Button
-                type="primary"
-                onClick={() => void saveAcceptanceImages(form.getFieldsValue())}
-              >
+              <Button onClick={() => void saveAcceptanceImages(form.getFieldsValue())}>
                 {hasSubmittedAcceptance(editingOrder) ? '保存修改' : '保存暂存'}
               </Button>
               {canSubmitAcceptance(editingOrder) ? (
@@ -778,15 +769,7 @@ export default function WorkerOrdersPage() {
         }
       >
         <Form form={form} layout="vertical" onFinish={submitAcceptance}>
-          <Form.Item
-            label="完成说明"
-            name="note"
-            extra={
-              editingOrder && !hasSubmittedAcceptance(editingOrder)
-                ? '图片和说明可先「保存暂存」，之后随时继续补充，不会丢失；确认完成后再「提交验收」。'
-                : undefined
-            }
-          >
+          <Form.Item label="完成说明" name="note">
             <Input.TextArea
               rows={3}
               placeholder="可补充代练结果、注意事项或截图说明。"
@@ -979,6 +962,38 @@ function getAcceptanceFilesFromSource(source: WorkerAcceptance): UploadedFile[]
   return Array.isArray(source.files) ? source.files : []
 }
 
+/** 合并草稿兼容字段，并按固定图片地址去重，避免同一图片重复回填。 */
+function getUniqueAcceptanceFiles(source: WorkerAcceptance): UploadedFile[] {
+  const files = [
+    ...getAcceptanceFilesFromSource(source),
+    ...(Array.isArray(source.imageUrls) ? source.imageUrls : []).map(
+      (url): UploadedFile => ({
+        objectKey: '',
+        url: String(url || ''),
+        thumbnailUrl: String(url || ''),
+        mediumUrl: String(url || ''),
+        filename: '图片',
+        contentType: '',
+        size: 0,
+      }),
+    ),
+  ]
+  const identities = new Set<string>()
+  return files.filter((file) => {
+    const identity = getImageIdentity(file.url || file.mediumUrl || file.thumbnailUrl || file.objectKey)
+    if (!identity || identities.has(identity)) return false
+    identities.add(identity)
+    return true
+  })
+}
+
+/** 去除临时签名参数，确保同一个对象的不同访问链接能匹配。 */
+function getImageIdentity(value: string): string {
+  const url = String(value || '').trim()
+  if (!url) return ''
+  return url.split(/[?#]/, 1)[0]
+}
+
 function getAcceptanceFiles(row: WorkOrder): UploadedFile[] {
   return getAcceptanceFilesFromSource(getWorkerAcceptance(row))
 }
diff --git a/apps/frontend/src/styles/main.css b/apps/frontend/src/styles/main.css
index 026be470..57140f55 100644
--- a/apps/frontend/src/styles/main.css
+++ b/apps/frontend/src/styles/main.css
@@ -1519,6 +1519,17 @@ select {
   gap: 16px;
 }
 
+.worker-order-actions {
+  display: grid;
+  justify-items: start;
+  gap: 4px;
+}
+
+.worker-order-actions .ant-btn-link {
+  height: auto;
+  padding: 0;
+}
+
 .worker-order-detail-value {
   white-space: pre-wrap;
   overflow-wrap: anywhere;