diff --git a/apps/web/src/pages/editing-planner/components/TimelinePanel.tsx b/apps/web/src/pages/editing-planner/components/TimelinePanel.tsx
index 8085576c2..29e439560 100644
--- a/apps/web/src/pages/editing-planner/components/TimelinePanel.tsx
+++ b/apps/web/src/pages/editing-planner/components/TimelinePanel.tsx
@@ -106,9 +106,7 @@ const TimelinePanel: React.FC<TimelinePanelProps> = ({
     pickerPos,
     availableTypes,
     addType,
-    addDuration,
     setAddType,
-    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
     hoveredClipId,
@@ -212,9 +210,7 @@ const TimelinePanel: React.FC<TimelinePanelProps> = ({
           position={pickerPos}
           availableTypes={availableTypes}
           addType={addType}
-          addDuration={addDuration}
           onTypeChange={setAddType}
-          onDurationChange={setAddDuration}
           onConfirm={handleConfirmAdd}
         />
       )}
diff --git a/apps/web/src/pages/editing-planner/components/timeline/AddClipPicker.tsx b/apps/web/src/pages/editing-planner/components/timeline/AddClipPicker.tsx
index ecab58aa5..0afeb77c5 100644
--- a/apps/web/src/pages/editing-planner/components/timeline/AddClipPicker.tsx
+++ b/apps/web/src/pages/editing-planner/components/timeline/AddClipPicker.tsx
@@ -7,12 +7,8 @@ interface AddClipPickerProps {
   position: { top: number; right: number }
   availableTypes: ClipType[]
   addType: ClipType
-  addDuration: number
   onTypeChange: (type: ClipType) => void
-  onDurationChange: (duration: number) => void
   onConfirm: () => void
-  minDuration?: number
-  maxDuration?: number
 }
 
 export const AddClipPicker: React.FC<AddClipPickerProps> = ({
@@ -20,12 +16,8 @@ export const AddClipPicker: React.FC<AddClipPickerProps> = ({
   position,
   availableTypes,
   addType,
-  addDuration,
   onTypeChange,
-  onDurationChange,
   onConfirm,
-  minDuration = 1,
-  maxDuration = 120,
 }) => {
   return (
     <div
@@ -53,24 +45,6 @@ export const AddClipPicker: React.FC<AddClipPickerProps> = ({
         ))}
       </div>
 
-      {/* 时长输入 */}
-      <div className="ep-add-clip-duration-row">
-        <span className="ep-add-clip-type-label">时长:</span>
-        <input
-          type="number"
-          className="ep-duration-input"
-          min={minDuration}
-          max={maxDuration}
-          value={addDuration}
-          onChange={(e) =>
-            onDurationChange(
-              Math.max(minDuration, Math.min(maxDuration, Number(e.target.value) || minDuration)),
-            )
-          }
-        />
-        <span className="ep-add-clip-duration-unit">秒</span>
-      </div>
-
       {/* 确认按钮 */}
       <button className="ep-add-clip-confirm-btn" onClick={onConfirm}>
         添加
diff --git a/apps/web/src/pages/editing-planner/hooks/timeline-menus/useAddPicker.ts b/apps/web/src/pages/editing-planner/hooks/timeline-menus/useAddPicker.ts
index cae564b25..7d0b9d4fd 100755
--- a/apps/web/src/pages/editing-planner/hooks/timeline-menus/useAddPicker.ts
+++ b/apps/web/src/pages/editing-planner/hooks/timeline-menus/useAddPicker.ts
@@ -26,8 +26,6 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
   }, [currentMode])
 
   const [addType, setAddType] = useState<ClipType>(defaultAddType)
-  const [addDuration, setAddDuration] = useState<number>(DEFAULT_ADD_DURATION)
-
   useEffect(() => {
     if (!availableTypes.includes(addType)) {
       setAddType(defaultAddType)
@@ -95,9 +93,9 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
   }, [showAddPicker])
 
   const handleConfirmAdd = useCallback(() => {
-    onAddClip(addType, addDuration)
+    onAddClip(addType, DEFAULT_ADD_DURATION)
     setShowAddPicker(false)
-  }, [onAddClip, addType, addDuration])
+  }, [onAddClip, addType])
 
   return {
     showAddPicker,
@@ -107,9 +105,8 @@ export function useAddPicker({ currentMode, onAddClip }: UseAddPickerOptions) {
     pickerPos,
     availableTypes,
     addType,
-    addDuration,
+    addDuration: DEFAULT_ADD_DURATION,
     setAddType,
-    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
   }
diff --git a/apps/web/src/pages/editing-planner/hooks/useTimelineMenus.ts b/apps/web/src/pages/editing-planner/hooks/useTimelineMenus.ts
index ca6ba98e1..fad19b8df 100755
--- a/apps/web/src/pages/editing-planner/hooks/useTimelineMenus.ts
+++ b/apps/web/src/pages/editing-planner/hooks/useTimelineMenus.ts
@@ -35,7 +35,6 @@ export const useTimelineMenus = (
     addType,
     addDuration,
     setAddType,
-    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
   } = useAddPicker({ currentMode, onAddClip })
@@ -57,7 +56,6 @@ export const useTimelineMenus = (
     addType,
     addDuration,
     setAddType,
-    setAddDuration,
     handleTogglePicker,
     handleConfirmAdd,
     // 悬停状态
diff --git a/apps/web/src/pages/generate/components/Step1TemplateSelect.tsx b/apps/web/src/pages/generate/components/Step1TemplateSelect.tsx
index d39a864b3..52cd525ee 100644
--- a/apps/web/src/pages/generate/components/Step1TemplateSelect.tsx
+++ b/apps/web/src/pages/generate/components/Step1TemplateSelect.tsx
@@ -47,9 +47,7 @@ const Step1TemplateSelect: React.FC<Step1TemplateSelectProps> = (props) => {
                 🎬
               </div>
               <h4>{tpl.name}</h4>
-              <p>
-                {tpl.estimated_duration}s · {tpl.segments.length}片段
-              </p>
+              <p>{tpl.segments.length}片段</p>
               {tpl.tags.length > 0 && (
                 <div
                   style={{
diff --git a/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx b/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
index ebb709cca..0d75eeebd 100644
--- a/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
+++ b/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx
@@ -1,12 +1,12 @@
 /**
  * Step 5 配音选择组件
  * 展示用户已上传的配音素材，支持选中、预览播放
+ * 根据视频总时长自动过滤时长差异过大的配音（±10%以内）
  */
 import React, { useState, useRef, useCallback } from "react"
 import { useNavigate } from "react-router-dom"
 import { useQuery } from "@tanstack/react-query"
-import { AudioOutlined, SoundOutlined, WarningOutlined } from "@ant-design/icons"
-import { Modal } from "antd"
+import { AudioOutlined, SoundOutlined } from "@ant-design/icons"
 import { getAssetsByKind } from "@/api/assets"
 import type { AssetItem } from "@/api/assets"
 
@@ -16,7 +16,6 @@ interface Step5VoiceSelectProps {
   totalVideoDuration?: number
 }
 
-/** 格式化时长 mm:ss */
 /** 获取素材实际时长（优先顶层 duration，fallback 到 metadata.duration） */
 const getDuration = (item: AssetItem): number => {
   return item.duration ?? (item.metadata?.duration as number) ?? 0
@@ -34,13 +33,6 @@ const isAiVoice = (item: AssetItem): boolean => {
   return (!duration || duration <= 0) && (!size || size <= 0)
 }
 
-const formatDuration = (seconds?: number): string => {
-  if (!seconds || seconds <= 0) return "00:00"
-  const m = Math.floor(seconds / 60)
-  const s = Math.floor(seconds % 60)
-  return `${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`
-}
-
 /** 格式化文件大小 */
 const formatFileSize = (bytes?: number): string => {
   if (!bytes || bytes <= 0) return "未知"
@@ -58,8 +50,6 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
   const navigate = useNavigate()
   const [playingId, setPlayingId] = useState<string | null>(null)
   const audioRef = useRef<HTMLAudioElement | null>(null)
-  const [durationWarningOpen, setDurationWarningOpen] = useState(false)
-  const [pendingVoiceId, setPendingVoiceId] = useState<string | null>(null)
 
   // 获取用户上传的配音素材
   const { data: materials = [], isLoading } = useQuery({
@@ -67,6 +57,19 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
     queryFn: () => getAssetsByKind("voice", { limit: 50 }),
   })
 
+  // 根据视频总时长过滤配音：只保留时长在 ±10% 以内的素材，AI 音色始终展示
+  const filteredMaterials = React.useMemo(() => {
+    if (totalVideoDuration <= 0) return materials
+    return materials.filter((item) => {
+      // AI 音色没有固定时长，始终保留
+      if (isAiVoice(item)) return true
+      const duration = getDuration(item)
+      if (duration <= 0) return true
+      const ratio = duration / totalVideoDuration
+      return ratio >= 0.9 && ratio <= 1.1
+    })
+  }, [materials, totalVideoDuration])
+
   /** 切换播放/暂停 */
   const togglePlay = useCallback(
     (material: AssetItem) => {
@@ -100,38 +103,14 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
     [playingId],
   )
 
-  /** 选中素材（含时长校验） */
+  /** 选中素材（直接选中，不再做时长校验弹窗） */
   const handleSelect = useCallback(
     (id: string) => {
-      // 如果启用了时长校验，且配音时长不足（AI 音色按脚本实时合成，不参与时长校验）
-      if (totalVideoDuration > 0) {
-        const material = materials.find((m) => m.id === id)
-        if (material && !isAiVoice(material) && getDuration(material) < totalVideoDuration) {
-          setPendingVoiceId(id)
-          setDurationWarningOpen(true)
-          return
-        }
-      }
       onSelectedVoiceChange(id)
     },
-    [onSelectedVoiceChange, totalVideoDuration, materials],
+    [onSelectedVoiceChange],
   )
 
-  /** 确认使用时长不足的配音 */
-  const handleConfirmUseAnyway = useCallback(() => {
-    if (pendingVoiceId) {
-      onSelectedVoiceChange(pendingVoiceId)
-    }
-    setDurationWarningOpen(false)
-    setPendingVoiceId(null)
-  }, [pendingVoiceId, onSelectedVoiceChange])
-
-  /** 取消选择 */
-  const handleCancelSelection = useCallback(() => {
-    setDurationWarningOpen(false)
-    setPendingVoiceId(null)
-  }, [])
-
   /** 跳转到配音库上传 */
   const handleGoToUpload = useCallback(() => {
     navigate("/app/voices?tab=material&upload=1")
@@ -196,7 +175,7 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
           gap: 12,
         }}
       >
-        {materials.map((item) => {
+        {filteredMaterials.map((item) => {
           const isSelected = selectedVoice === item.id
           const isPlaying = playingId === item.id
 
@@ -277,7 +256,7 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
                 {item.name}
               </div>
 
-              {/* 时长 + 大小 */}
+              {/* 文件大小 */}
               <div
                 style={{
                   display: "flex",
@@ -289,65 +268,18 @@ const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
               >
                 {isAiVoice(item) ? (
                   <span style={{ color: "#1677ff", fontWeight: 500 }}>AI 音色</span>
-                ) : (
-                  <span style={{ display: "flex", alignItems: "center", gap: 4 }}>
-                    {formatDuration(getDuration(item))}
-                    {totalVideoDuration > 0 && getDuration(item) < Number(totalVideoDuration) && (
-                      <span
-                        style={{
-                          color: "#ff4d4f",
-                          fontSize: 11,
-                          fontWeight: 500,
-                          display: "inline-flex",
-                          alignItems: "center",
-                          gap: 2,
-                        }}
-                      >
-                        <WarningOutlined />
-                        时长不足
-                      </span>
-                    )}
-                  </span>
-                )}
+                ) : null}
                 <span>{isAiVoice(item) ? "按文本合成" : formatFileSize(getFileSize(item))}</span>
               </div>
             </div>
           )
         })}
       </div>
-
-      {/* 时长不足警告弹窗 */}
-      <Modal
-        title={
-          <span style={{ display: "flex", alignItems: "center", gap: 8 }}>
-            <WarningOutlined style={{ color: "#faad14" }} />
-            配音时长不足
-          </span>
-        }
-        open={durationWarningOpen}
-        onOk={handleConfirmUseAnyway}
-        onCancel={handleCancelSelection}
-        okText="仍要使用"
-        cancelText="重新选择"
-        okButtonProps={{ danger: true }}
-      >
-        {(() => {
-          const pendingMaterial = pendingVoiceId
-            ? materials.find((m) => m.id === pendingVoiceId)
-            : null
-          return (
-            <p>
-              该配音时长（
-              <strong>
-                {pendingMaterial ? formatDuration(getDuration(pendingMaterial)) : "--"}
-              </strong>
-              ）短于视频总时长（
-              <strong>{formatDuration(totalVideoDuration)}</strong>
-              ），播放时配音可能提前结束，建议选择更长的配音素材。
-            </p>
-          )
-        })()}
-      </Modal>
+      {totalVideoDuration > 0 && filteredMaterials.length < materials.length && (
+        <p style={{ color: "#999", fontSize: 12, marginTop: 8 }}>
+          已根据视频时长（{Math.round(totalVideoDuration)}s）自动过滤时长差异过大的配音
+        </p>
+      )}
     </div>
   )
 }