diff --git a/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordApplicationsController.java b/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordApplicationsController.java
index 1f94266..41de9ef 100644
--- a/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordApplicationsController.java
+++ b/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordApplicationsController.java
@@ -65,18 +65,13 @@ public class WordApplicationsController {
         byte[] fileContent;
         String fileName;
         String contentType;
-        
-        if ("pdf".equalsIgnoreCase(format)) {
-            // 生成PDF文档
-            fileContent = wordCertificateService.generateCertificateAsPdf(certificateData);
-            fileName = "certificate.pdf";
-            contentType = "application/pdf";
-        } else {
+
+
             // 生成Word文档
             fileContent = wordCertificateService.generateCertificate(certificateData);
             fileName = "certificate.docx";
             contentType = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
-        }
+
         
         // 设置文档响应头
         response.setContentType(contentType);
diff --git a/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordCertificateService.java b/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordCertificateService.java
index 9bb18ab..96467a0 100644
--- a/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordCertificateService.java
+++ b/yun-admin/src/main/java/net/lab1024/sa/admin/module/word/WordCertificateService.java
@@ -5,14 +5,13 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.util.Units;
-import org.apache.poi.xwpf.converter.pdf.PdfConverter;
-import org.apache.poi.xwpf.converter.pdf.PdfOptions;
 import org.apache.poi.xwpf.usermodel.ParagraphAlignment;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
 import org.apache.poi.xwpf.usermodel.XWPFParagraph;
 import org.apache.poi.xwpf.usermodel.XWPFRun;
 import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.*;
 import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDrawing;
+import org.openxmlformats.schemas.wordprocessingml.x2006.main.STDocProtect;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.util.FileCopyUtils;
@@ -45,7 +44,8 @@ public class WordCertificateService {
      */
     public byte[] generateCertificate(CertificateData data) throws Exception {
         XWPFDocument document = prepareDocument(data);
-        
+        // 方法1：设置文档为只读推荐
+        document.enforceReadonlyProtection();
         // 保存到字节数组
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
         document.write(outputStream);
@@ -54,20 +54,6 @@ public class WordCertificateService {
         return outputStream.toByteArray();
     }
 
-    /**
-     * 生成PDF格式的证书
-     */
-    public byte[] generateCertificateAsPdf(CertificateData data) throws Exception {
-        XWPFDocument document = prepareDocument(data);
-        
-        // 转换为PDF
-        ByteArrayOutputStream pdfOutputStream = new ByteArrayOutputStream();
-        PdfConverter.getInstance().convert(document, pdfOutputStream, PdfOptions.create());
-        document.close();
-
-        return pdfOutputStream.toByteArray();
-    }
-
     /**
      * 准备文档（用于Word或PDF生成）
      */
@@ -118,8 +104,8 @@ public class WordCertificateService {
                 // 添加新内容
                 XWPFRun run = paragraph.createRun();
                 run.setText(text);
-                run.setFontFamily("宋体");
-                run.setFontSize(12);
+                run.setFontFamily("FangSong_GB2312");
+                run.setFontSize(16);
             }
         }
     }
diff --git a/yun-admin/src/main/resources/templates/certificate_template.docx b/yun-admin/src/main/resources/templates/certificate_template.docx
index 79ced41..f10969b 100644
Binary files a/yun-admin/src/main/resources/templates/certificate_template.docx and b/yun-admin/src/main/resources/templates/certificate_template.docx differ