diff --git a/apps/admin/services.py b/apps/admin/services.py
index ca94e73..3f8edba 100644
--- a/apps/admin/services.py
+++ b/apps/admin/services.py
@@ -3,7 +3,7 @@ import json
 import os
 import time
 from datetime import datetime, timedelta
-from typing import Any, Optional
+from typing import Any, Dict, List, Optional, Tuple
 
 from core.response import APIResponse
 from core.storage import FileStorageInterface, storages
@@ -82,6 +82,18 @@ class FileService:
     def _file_metadata_key(self, file_id: int) -> str:
         return f"{self.FILE_METADATA_KEY_PREFIX}{file_id}"
 
+    def _dedupe_download_stats(self, stats: List[TransferStats]) -> List[TransferStats]:
+        deduped: List[TransferStats] = []
+        recent_downloads: Dict[Tuple[Optional[int], str, int], datetime] = {}
+        for stat in stats:
+            key = (stat.file_code_id, stat.ip or "", int(stat.size or 0))
+            previous = recent_downloads.get(key)
+            if previous and (stat.created_at - previous).total_seconds() <= 5:
+                continue
+            recent_downloads[key] = stat.created_at
+            deduped.append(stat)
+        return deduped
+
     async def _delete_file_code(self, file_code: FileCodes):
         try:
             name = (
@@ -1289,6 +1301,7 @@ class FileService:
         download_stats = await TransferStats.filter(
             action="download", file_code_id=file_code.id
         ).order_by("created_at")
+        download_stats = self._dedupe_download_stats(download_stats)
         timeline.append(
             {
                 "key": "retrieved",
diff --git a/apps/admin/views.py b/apps/admin/views.py
index cbf3ed6..6af7bdc 100644
--- a/apps/admin/views.py
+++ b/apps/admin/views.py
@@ -189,10 +189,25 @@ async def analytics(start: str = "", end: str = ""):
     end_day = parse_day(end, now.replace(hour=0, minute=0, second=0, microsecond=0))
     start_day = parse_day(start, end_day - datetime.timedelta(days=29))
     end_exclusive = end_day + datetime.timedelta(days=1)
-    stats = await TransferStats.filter(
+    raw_stats = await TransferStats.filter(
         created_at__gte=start_day,
         created_at__lt=end_exclusive,
-    )
+    ).order_by("created_at", "id")
+    stats = []
+    recent_downloads = {}
+    for item in raw_stats:
+        if item.action == "download":
+            dedupe_key = (
+                item.file_code_id or item.code or "",
+                item.ip or "",
+                int(item.size or 0),
+            )
+            previous = recent_downloads.get(dedupe_key)
+            if previous and (item.created_at - previous).total_seconds() <= 5:
+                continue
+            recent_downloads[dedupe_key] = item.created_at
+        stats.append(item)
+
     files = await FileCodes.all()
     file_map = {item.code: item for item in files}
 
diff --git a/apps/base/views.py b/apps/base/views.py
index 60d2498..0b9e499 100644
--- a/apps/base/views.py
+++ b/apps/base/views.py
@@ -292,8 +292,9 @@ async def select_file(data: SelectFileModel, ip: str = Depends(ip_limit["error"]
         return APIResponse(code=404, detail=file_code)
 
     assert isinstance(file_code, FileCodes)
-    await update_file_usage(file_code)
-    await record_transfer_stat("download", file_code, file_code.size, ip)
+    if file_code.text is not None:
+        await update_file_usage(file_code)
+        await record_transfer_stat("download", file_code, file_code.size, ip)
     return APIResponse(detail=await build_select_detail(file_code, file_storage))
 
 
@@ -303,10 +304,11 @@ async def download_file(key: str, code: str, ip: str = Depends(ip_limit["error"]
     if await get_select_token(code) != key:
         ip_limit["error"].add_ip(ip)
         raise HTTPException(status_code=403, detail="下载鉴权失败")
-    has, file_code = await get_code_file_by_code(code, False)
+    has, file_code = await get_code_file_by_code(code)
     if not has:
-        return APIResponse(code=404, detail="文件不存在")
+        return APIResponse(code=404, detail=file_code)
     assert isinstance(file_code, FileCodes)
+    await update_file_usage(file_code)
     await record_transfer_stat("download", file_code, file_code.size, ip)
     return (
         APIResponse(detail=file_code.text)