diff --git a/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/serializer/MinioPrefixSerializer.java b/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/serializer/MinioPrefixSerializer.java
index 5142540..5487958 100644
--- a/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/serializer/MinioPrefixSerializer.java
+++ b/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/serializer/MinioPrefixSerializer.java
@@ -1,5 +1,6 @@
 package com.changhu.support.fastjson2.serializer;
 
+import cn.hutool.core.util.StrUtil;
 import cn.hutool.extra.spring.SpringUtil;
 import com.alibaba.fastjson2.JSONWriter;
 import com.alibaba.fastjson2.writer.ObjectWriter;
@@ -22,6 +23,8 @@ public class MinioPrefixSerializer implements ObjectWriter<String> {
 
     @Override
     public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) {
-        jsonWriter.writeString(minioPrefix + object);
+        if (object instanceof String path && StrUtil.isNotEmpty(path)) {
+            jsonWriter.writeString(minioPrefix + object);
+        }
     }
 }