diff --git a/scripts/sync-video-assets-to-social.ps1 b/scripts/sync-video-assets-to-social.ps1
index 16310bc..111e715 100644
--- a/scripts/sync-video-assets-to-social.ps1
+++ b/scripts/sync-video-assets-to-social.ps1
@@ -6,26 +6,40 @@ $Src = Join-Path $Root "web\promotion\视频发布"
 $Dst = Join-Path $Root "web\promotion\social"
 New-Item -ItemType Directory -Force -Path $Dst | Out-Null
 
-function Copy-IfExists($fromRel, $toName) {
-    $from = Join-Path $Src $fromRel
+function Copy-First($toName, [string[]]$fromRels) {
     $to = Join-Path $Dst $toName
-    if (Test-Path -LiteralPath $from) {
-        Copy-Item -LiteralPath $from -Destination $to -Force
-        Write-Host "OK $toName"
-    } else {
-        Write-Warning "SKIP (缺失): $from"
+    foreach ($rel in $fromRels) {
+        $from = Join-Path $Src $rel
+        if (Test-Path -LiteralPath $from) {
+            Copy-Item -LiteralPath $from -Destination $to -Force
+            Write-Host "OK $toName <= $rel"
+            return
+        }
     }
+    Write-Warning "SKIP (均未找到): -> $toName"
 }
 
-Copy-IfExists "宇恒一号操作计算软件实例（一）\宣传片-封面.jpg" "video-calc-demo-1-cover.jpg"
-Copy-IfExists "宇恒一号操作计算软件实例（一）\宣传片.mov" "video-calc-demo-1.mov"
-Copy-IfExists "宇恒一号操作计算软件实例（二）\宇恒一号操作计算软件实例（二）-封面.jpg" "video-calc-demo-2-cover.jpg"
-Copy-IfExists "宇恒一号操作计算软件实例（二）\宇恒一号操作计算软件实例（二）.mov" "video-calc-demo-2.mov"
-Copy-IfExists "宇恒一号AIWord简介\宇恒一号AIWord简介-封面.jpg" "video-aiword-cover.jpg"
-Copy-IfExists "宇恒一号AIWord简介\宇恒一号AIWord简介.mov" "video-aiword.mov"
-Copy-IfExists "宇恒一号语音办公实例\宇恒一号语音办公实例-封面.jpg" "video-voice-office-cover.jpg"
-Copy-IfExists "宇恒一号语音办公实例\宇恒一号语音办公实例.mov" "video-voice-office.mov"
-Copy-IfExists "宇恒一号，AI 全自动办发票\宇恒一号，AI 全自动办发票-封面.jpg" "video-invoice-ai-cover.jpg"
-Copy-IfExists "宇恒一号，AI 全自动办发票\宇恒一号，AI 全自动办发票.mov" "video-invoice-ai.mov"
+Copy-First "video-calc-demo-1-cover.jpg" @(
+    "宇恒一号操作计算软件实例（一）\宣传片-封面.jpg",
+    "宇恒一号操作计算软件实例（一）\宇恒一号操作计算软件实例（一）-封面.jpg"
+)
+Copy-First "video-calc-demo-1.mov" @(
+    "宇恒一号操作计算软件实例（一）\宣传片.mov",
+    "宇恒一号操作计算软件实例（一）\宇恒一号操作计算软件实例（一）.mov"
+)
+Copy-First "video-calc-demo-2-cover.jpg" @(
+    "宇恒一号操作计算软件实例（二）\宇恒一号操作计算软件实例（二）-封面.jpg",
+    "宇恒一号操作计算软件实例（二）\宣传片-封面.jpg"
+)
+Copy-First "video-calc-demo-2.mov" @(
+    "宇恒一号操作计算软件实例（二）\宇恒一号操作计算软件实例（二）.mov",
+    "宇恒一号操作计算软件实例（二）\宣传片.mov"
+)
+Copy-First "video-aiword-cover.jpg" @("宇恒一号AIWord简介\宇恒一号AIWord简介-封面.jpg")
+Copy-First "video-aiword.mov" @("宇恒一号AIWord简介\宇恒一号AIWord简介.mov")
+Copy-First "video-voice-office-cover.jpg" @("宇恒一号语音办公实例\宇恒一号语音办公实例-封面.jpg")
+Copy-First "video-voice-office.mov" @("宇恒一号语音办公实例\宇恒一号语音办公实例.mov")
+Copy-First "video-invoice-ai-cover.jpg" @("宇恒一号，AI 全自动办发票\宇恒一号，AI 全自动办发票-封面.jpg")
+Copy-First "video-invoice-ai.mov" @("宇恒一号，AI 全自动办发票\宇恒一号，AI 全自动办发票.mov")
 
 Write-Host "完成。Linux 服务器上建议在 social 目录执行: chmod -R a+rX ."
diff --git a/scripts/sync-video-assets-to-social.sh b/scripts/sync-video-assets-to-social.sh
index e867368..2411271 100644
--- a/scripts/sync-video-assets-to-social.sh
+++ b/scripts/sync-video-assets-to-social.sh
@@ -8,35 +8,48 @@ SRC="$ROOT/web/promotion/视频发布"
 DST="$ROOT/web/promotion/social"
 mkdir -p "$DST"
 
-copy_if () {
-  local from="$1" to="$2"
-  if [[ -f "$from" ]]; then
-    cp -f "$from" "$to"
-    echo "OK $to"
-  else
-    echo "SKIP (缺失): $from" >&2
-  fi
+# 按顺序使用第一个存在的源文件
+copy_first() {
+  local dest="$1"
+  shift
+  for from in "$@"; do
+    if [[ -f "$from" ]]; then
+      cp -f "$from" "$dest"
+      echo "OK $(basename "$dest") <= $from"
+      return 0
+    fi
+  done
+  echo "SKIP (均未找到): -> $dest" >&2
+  return 1
 }
 
 # 操作与计算软件实例（一）
-copy_if "$SRC/宇恒一号操作计算软件实例（一）/宣传片-封面.jpg" "$DST/video-calc-demo-1-cover.jpg"
-copy_if "$SRC/宇恒一号操作计算软件实例（一）/宣传片.mov" "$DST/video-calc-demo-1.mov"
+copy_first "$DST/video-calc-demo-1-cover.jpg" \
+  "$SRC/宇恒一号操作计算软件实例（一）/宣传片-封面.jpg" \
+  "$SRC/宇恒一号操作计算软件实例（一）/宇恒一号操作计算软件实例（一）-封面.jpg" || true
+copy_first "$DST/video-calc-demo-1.mov" \
+  "$SRC/宇恒一号操作计算软件实例（一）/宣传片.mov" \
+  "$SRC/宇恒一号操作计算软件实例（一）/宇恒一号操作计算软件实例（一）.mov" || true
 
 # 操作与计算软件实例（二）
-copy_if "$SRC/宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）-封面.jpg" "$DST/video-calc-demo-2-cover.jpg"
-copy_if "$SRC/宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）.mov" "$DST/video-calc-demo-2.mov"
+copy_first "$DST/video-calc-demo-2-cover.jpg" \
+  "$SRC/宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）-封面.jpg" \
+  "$SRC/宇恒一号操作计算软件实例（二）/宣传片-封面.jpg" || true
+copy_first "$DST/video-calc-demo-2.mov" \
+  "$SRC/宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）.mov" \
+  "$SRC/宇恒一号操作计算软件实例（二）/宣传片.mov" || true
 
 # AI Word
-copy_if "$SRC/宇恒一号AIWord简介/宇恒一号AIWord简介-封面.jpg" "$DST/video-aiword-cover.jpg"
-copy_if "$SRC/宇恒一号AIWord简介/宇恒一号AIWord简介.mov" "$DST/video-aiword.mov"
+copy_first "$DST/video-aiword-cover.jpg" "$SRC/宇恒一号AIWord简介/宇恒一号AIWord简介-封面.jpg" || true
+copy_first "$DST/video-aiword.mov" "$SRC/宇恒一号AIWord简介/宇恒一号AIWord简介.mov" || true
 
 # 语音办公
-copy_if "$SRC/宇恒一号语音办公实例/宇恒一号语音办公实例-封面.jpg" "$DST/video-voice-office-cover.jpg"
-copy_if "$SRC/宇恒一号语音办公实例/宇恒一号语音办公实例.mov" "$DST/video-voice-office.mov"
+copy_first "$DST/video-voice-office-cover.jpg" "$SRC/宇恒一号语音办公实例/宇恒一号语音办公实例-封面.jpg" || true
+copy_first "$DST/video-voice-office.mov" "$SRC/宇恒一号语音办公实例/宇恒一号语音办公实例.mov" || true
 
 # 办发票（目录名含全角逗号）
-copy_if "$SRC/宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票-封面.jpg" "$DST/video-invoice-ai-cover.jpg"
-copy_if "$SRC/宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票.mov" "$DST/video-invoice-ai.mov"
+copy_first "$DST/video-invoice-ai-cover.jpg" "$SRC/宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票-封面.jpg" || true
+copy_first "$DST/video-invoice-ai.mov" "$SRC/宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票.mov" || true
 
 if command -v chmod >/dev/null 2>&1; then
   chmod -R a+rX "$DST" 2>/dev/null || true
diff --git a/server/cmd/promotion-import/README.md b/server/cmd/promotion-import/README.md
index 505872d..00ac8d2 100644
--- a/server/cmd/promotion-import/README.md
+++ b/server/cmd/promotion-import/README.md
@@ -2,6 +2,8 @@
 
 将 `web/promotion/视频发布/` 下映射表中的文件复制到 **`{upload}/sites/{site_id}/promotion/social/`**，并在 **`site_assets`** 集合插入记录（与后台「保留原文件名」上传到 `promotion/social` 一致）。
 
+对「操作与计算（一）（二）」等条目会**按顺序尝试多个源文件名**；若仍找不到且子目录内**恰好只有一个** `.mov` 或 `.jpg`，会自动选用（解决「有些视频有、有些 404」多为源文件名与映射不一致）。
+
 ## 参数
 
 | 参数 | 说明 |
diff --git a/server/cmd/promotion-import/main.go b/server/cmd/promotion-import/main.go
index 6a78307..7c2b348 100644
--- a/server/cmd/promotion-import/main.go
+++ b/server/cmd/promotion-import/main.go
@@ -57,21 +57,77 @@ func mimeForExt(ext string) string {
 	}
 }
 
-// 与 scripts/sync-video-assets-to-social.sh 一致：源相对「视频发布」目录，目标为 promotion/social 下英文名
-var mappings = []struct {
-	SrcRel string // 相对 视频发布/
-	Dst    string // 仅文件名，落在 promotion/social/
-}{
-	{"宇恒一号操作计算软件实例（一）/宣传片-封面.jpg", "video-calc-demo-1-cover.jpg"},
-	{"宇恒一号操作计算软件实例（一）/宣传片.mov", "video-calc-demo-1.mov"},
-	{"宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）-封面.jpg", "video-calc-demo-2-cover.jpg"},
-	{"宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）.mov", "video-calc-demo-2.mov"},
-	{"宇恒一号AIWord简介/宇恒一号AIWord简介-封面.jpg", "video-aiword-cover.jpg"},
-	{"宇恒一号AIWord简介/宇恒一号AIWord简介.mov", "video-aiword.mov"},
-	{"宇恒一号语音办公实例/宇恒一号语音办公实例-封面.jpg", "video-voice-office-cover.jpg"},
-	{"宇恒一号语音办公实例/宇恒一号语音办公实例.mov", "video-voice-office.mov"},
-	{"宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票-封面.jpg", "video-invoice-ai-cover.jpg"},
-	{"宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票.mov", "video-invoice-ai.mov"},
+// importRule：按顺序尝试 SrcRels；若均不存在且 FallbackScanDir 非空，则在该子目录下「仅一个 .mov/.jpg 时」自动选用（兼容实际文件夹命名与文件名不一致）
+type importRule struct {
+	SrcRels         []string
+	Dst             string
+	FallbackScanDir string // 相对 视频发布/，仅当目标为视频时用 .mov；封面用 .jpg
+}
+
+// 与 sync-video-assets-to-social.sh 对齐，并增加备选路径（线上常见「实例（一）」内不叫宣传片.mov 的情况）
+var mappings = []importRule{
+	{[]string{
+		"宇恒一号操作计算软件实例（一）/宣传片-封面.jpg",
+		"宇恒一号操作计算软件实例（一）/宇恒一号操作计算软件实例（一）-封面.jpg",
+	}, "video-calc-demo-1-cover.jpg", "宇恒一号操作计算软件实例（一）"},
+	{[]string{
+		"宇恒一号操作计算软件实例（一）/宣传片.mov",
+		"宇恒一号操作计算软件实例（一）/宇恒一号操作计算软件实例（一）.mov",
+	}, "video-calc-demo-1.mov", "宇恒一号操作计算软件实例（一）"},
+	{[]string{
+		"宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）-封面.jpg",
+		"宇恒一号操作计算软件实例（二）/宣传片-封面.jpg",
+	}, "video-calc-demo-2-cover.jpg", "宇恒一号操作计算软件实例（二）"},
+	{[]string{
+		"宇恒一号操作计算软件实例（二）/宇恒一号操作计算软件实例（二）.mov",
+		"宇恒一号操作计算软件实例（二）/宣传片.mov",
+	}, "video-calc-demo-2.mov", "宇恒一号操作计算软件实例（二）"},
+	{[]string{"宇恒一号AIWord简介/宇恒一号AIWord简介-封面.jpg"}, "video-aiword-cover.jpg", "宇恒一号AIWord简介"},
+	{[]string{"宇恒一号AIWord简介/宇恒一号AIWord简介.mov"}, "video-aiword.mov", "宇恒一号AIWord简介"},
+	{[]string{"宇恒一号语音办公实例/宇恒一号语音办公实例-封面.jpg"}, "video-voice-office-cover.jpg", "宇恒一号语音办公实例"},
+	{[]string{"宇恒一号语音办公实例/宇恒一号语音办公实例.mov"}, "video-voice-office.mov", "宇恒一号语音办公实例"},
+	{[]string{"宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票-封面.jpg"}, "video-invoice-ai-cover.jpg", "宇恒一号，AI 全自动办发票"},
+	{[]string{"宇恒一号，AI 全自动办发票/宇恒一号，AI 全自动办发票.mov"}, "video-invoice-ai.mov", "宇恒一号，AI 全自动办发票"},
+}
+
+func resolveSourceFile(videoPublish string, rule importRule) (absPath, relChosen string, ok bool) {
+	for _, rel := range rule.SrcRels {
+		p := filepath.Join(videoPublish, filepath.FromSlash(rel))
+		if st, err := os.Stat(p); err == nil && !st.IsDir() {
+			return p, rel, true
+		}
+	}
+	if rule.FallbackScanDir == "" {
+		return "", "", false
+	}
+	ext := strings.ToLower(filepath.Ext(rule.Dst))
+	if ext != ".mov" && ext != ".jpg" && ext != ".jpeg" {
+		return "", "", false
+	}
+	dir := filepath.Join(videoPublish, filepath.FromSlash(rule.FallbackScanDir))
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return "", "", false
+	}
+	var matches []string
+	for _, e := range entries {
+		if e.IsDir() {
+			continue
+		}
+		ne := strings.ToLower(filepath.Ext(e.Name()))
+		if ext == ".mov" && ne == ".mov" {
+			matches = append(matches, e.Name())
+		}
+		if (ext == ".jpg" || ext == ".jpeg") && (ne == ".jpg" || ne == ".jpeg") {
+			matches = append(matches, e.Name())
+		}
+	}
+	if len(matches) != 1 {
+		return "", "", false
+	}
+	rel := filepath.ToSlash(filepath.Join(rule.FallbackScanDir, matches[0]))
+	p := filepath.Join(videoPublish, filepath.FromSlash(rel))
+	return p, rel, true
 }
 
 func main() {
@@ -144,9 +200,9 @@ func main() {
 
 	ok, skip, fail := 0, 0, 0
 	for _, m := range mappings {
-		from := filepath.Join(videoPublish, filepath.FromSlash(m.SrcRel))
-		if _, err := os.Stat(from); err != nil {
-			log.Printf("SKIP 源文件不存在: %s", from)
+		from, srcRelUsed, found := resolveSourceFile(videoPublish, m)
+		if !found {
+			log.Printf("SKIP 源文件不存在（已试备选路径）: dst=%s dir=%s", m.Dst, m.FallbackScanDir)
 			skip++
 			continue
 		}
@@ -168,7 +224,7 @@ func main() {
 		}
 
 		if err := copyFile(from, destPath); err != nil {
-			log.Printf("FAIL 复制 %s: %v", m.SrcRel, err)
+			log.Printf("FAIL 复制 %s: %v", srcRelUsed, err)
 			fail++
 			continue
 		}
@@ -193,7 +249,7 @@ func main() {
 			"downloadable":    false,
 			"created_at":      time.Now().Format(time.RFC3339),
 			"import_source":   "video_publish_legacy",
-			"source_relpath":  m.SrcRel,
+			"source_relpath":  srcRelUsed,
 			"promotion_alias": filepath.ToSlash(filepath.Join("promotion", "social", m.Dst)),
 		}
 		if _, err := coll.InsertOne(ctx, doc); err != nil {
@@ -201,7 +257,7 @@ func main() {
 			fail++
 			continue
 		}
-		log.Printf("OK %s -> %s", m.SrcRel, relPath)
+		log.Printf("OK %s -> %s", srcRelUsed, relPath)
 		ok++
 	}