diff --git a/photo_review/util/data_util.py b/photo_review/util/data_util.py
index 114ebcd..750d974 100644
--- a/photo_review/util/data_util.py
+++ b/photo_review/util/data_util.py
@@ -29,17 +29,10 @@ def handle_date(string):
         string = string[:8]
     elif length > 10 and "-" in string:
         string = string[:10]
-    if is_valid_date_format(string):
-        return string
-    else:
+
+    if len(string) < 6:
         return ""
 
-
-# 判断是否是合法的日期格式
-def is_valid_date_format(date_str):
-    if len(date_str) < 6:
-        return False
-
     # 定义可能的日期格式
     formats = [
         # yyyy-MM-dd
@@ -55,12 +48,15 @@ def is_valid_date_format(date_str):
     # 遍历所有格式，尝试解析日期
     for fmt in formats:
         try:
-            datetime.strptime(date_str, fmt)
-            return True
+            date = datetime.strptime(string, fmt)
+            # 限定日期的年份范围
+            if 2000 < date.year < 2100:
+                return date.strftime("%Y-%m-%d")
+            continue
         except ValueError:
-            pass
+            continue
 
-    return False
+    return ""
 
 
 def handle_department(string):