diff --git a/photo_review/util/data_util.py b/photo_review/util/data_util.py
index dab8d85..3d581a0 100644
--- a/photo_review/util/data_util.py
+++ b/photo_review/util/data_util.py
@@ -64,18 +64,19 @@ def handle_date(string):
 
 def handle_department(string):
     result = []
+    max_length = 255
     if not string:
         return result
-    result.append(string)
+    result.append(string[:max_length])
     string_without_num = re.sub(r'\d|一|二|三|四|五|六|七|八|九|十', '', string)
     if string_without_num != string:
-        result.append(string_without_num)
+        result.append(string_without_num[:max_length])
     string_without_brackets = re.sub(r'\([^()]*\)|\[[^\[\]]*\]|\{[^\{\}]*\}|（[^（）]*）', "", string_without_num)
     if string_without_brackets != string_without_num:
-        result.append(string_without_brackets)
+        result.append(string_without_brackets[:max_length])
     pure_string = string_without_brackets.split("科")[0] + "科"
     if pure_string != string_without_brackets:
-        result.append(pure_string)
+        result.append(pure_string[:max_length])
     return result
 
 
@@ -83,14 +84,14 @@ def handle_department(string):
 def handle_name(string):
     if not string:
         return ""
-    return re.sub(r'[^⺀-鿿·]', '', string)
+    return re.sub(r'[^⺀-鿿·]', '', string)[:30]
 
 
 # 处理医保类型数据
 def handle_insurance_type(string):
     if not string:
         return ""
-    return string.replace(":", "").replace("：", "")
+    return string.replace(":", "").replace("：", "")[:255]
 
 
 # 处理原始数据