diff --git a/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/WordUtils.java b/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/WordUtils.java
index f69f674..4649be4 100644
--- a/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/WordUtils.java
+++ b/yxt-common/yxt-common-base/src/main/java/com/yxt/common/base/utils/WordUtils.java
@@ -1,7 +1,9 @@
 package com.yxt.common.base.utils;
 
 import com.jacob.activeX.ActiveXComponent;
+import com.jacob.com.ComThread;
 import com.jacob.com.Dispatch;
+import com.jacob.com.Variant;
 import freemarker.template.Configuration;
 import freemarker.template.Template;
 import freemarker.template.Version;
@@ -86,13 +88,15 @@ public class WordUtils {
     public static void doc2pdf(String wordFile, String pdfPath, String pdfName) {
         ActiveXComponent app = null;
         System.out.println("开始转换...");
+        long start = System.currentTimeMillis();
+        Dispatch document = null;
         try {
             // 打开word
             app = new ActiveXComponent("Word.Application");
             // 获得word中所有打开的文档
             Dispatch documents = app.getProperty("Documents").toDispatch();
             // 打开文档
-            Dispatch document = Dispatch.call(documents, "Open", wordFile, false, true).toDispatch();
+            document = Dispatch.call(documents, "Open", wordFile, false, true).toDispatch();
             // 如果文件存在的话，不会覆盖，会直接报错，所以我们需要判断文件是否存在
             File targetFile = new File(pdfPath);
             if (!targetFile.exists()) {
@@ -104,14 +108,21 @@ public class WordUtils {
                 target.delete();
             }
             Dispatch.call(document, "SaveAs", pdfFile, 17);
-            // 关闭文档
-            Dispatch.call(document, "Close", false);
+            long end = System.currentTimeMillis();
+            System.out.println("转换完成..用时：" + (end - start) + "ms.");
         } catch (Exception e) {
             System.out.println("转换失败" + e.getMessage());
         } finally {
+            // 关闭文档
+            Dispatch.call(document, "Close", false);
             // 关闭office
-            app.invoke("Quit", 0);
+//            app.invoke("Quit", 0);
+            System.out.println("关闭文档");
+            if (app != null)
+                app.invoke("Quit", new Variant[]{});
         }
+        // 如果没有这句话,winword.exe进程将不会关闭
+        ComThread.Release();
     }