diff --git a/nflg-wms-admin/src/main/java/com/nflg/wms/admin/util/HtmlToImageUtil.java b/nflg-wms-admin/src/main/java/com/nflg/wms/admin/util/HtmlToImageUtil.java
index b728557e..324a8638 100644
--- a/nflg-wms-admin/src/main/java/com/nflg/wms/admin/util/HtmlToImageUtil.java
+++ b/nflg-wms-admin/src/main/java/com/nflg/wms/admin/util/HtmlToImageUtil.java
@@ -1,6 +1,7 @@
 package com.nflg.wms.admin.util;
 
 import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.IdUtil;
 import lombok.extern.slf4j.Slf4j;
 
 import java.io.IOException;
@@ -28,7 +29,7 @@ public class HtmlToImageUtil {
             if (!Files.exists(tempDir)) {
                 Files.createDirectories(tempDir);
             }
-            long t = System.currentTimeMillis();
+            String t = IdUtil.getSnowflakeNextIdStr();
             inputHtmlPath = tempDir.resolve("input_" + t + ".html");
             outputImgPath = tempDir.resolve("output_" + t + ".png");
             Files.write(inputHtmlPath, htmlContent.getBytes());
diff --git a/nflg-wms-shipment/src/main/java/com/nflg/wms/shipment/util/HtmlToImageUtil.java b/nflg-wms-shipment/src/main/java/com/nflg/wms/shipment/util/HtmlToImageUtil.java
index c455bf50..eaf6c9fb 100644
--- a/nflg-wms-shipment/src/main/java/com/nflg/wms/shipment/util/HtmlToImageUtil.java
+++ b/nflg-wms-shipment/src/main/java/com/nflg/wms/shipment/util/HtmlToImageUtil.java
@@ -1,6 +1,7 @@
 package com.nflg.wms.shipment.util;
 
 import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.util.IdUtil;
 import lombok.extern.slf4j.Slf4j;
 
 import java.io.IOException;
@@ -10,6 +11,7 @@ import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 
 @Slf4j
 public class HtmlToImageUtil {
@@ -28,7 +30,7 @@ public class HtmlToImageUtil {
             if (!Files.exists(tempDir)) {
                 Files.createDirectories(tempDir);
             }
-            long t = System.currentTimeMillis();
+            String t = IdUtil.getSnowflakeNextIdStr();
             inputHtmlPath = tempDir.resolve("input_" + t + ".html");
             outputImgPath = tempDir.resolve("output_" + t + ".png");
             Files.write(inputHtmlPath, htmlContent.getBytes());