diff --git a/src/main/java/cn/teammodel/controller/frontend/HelloController.java b/src/main/java/cn/teammodel/controller/frontend/HelloController.java
index a237804..caeb1a3 100644
--- a/src/main/java/cn/teammodel/controller/frontend/HelloController.java
+++ b/src/main/java/cn/teammodel/controller/frontend/HelloController.java
@@ -3,16 +3,8 @@ package cn.teammodel.controller.frontend;
 import cn.teammodel.common.R;
 import cn.teammodel.repository.AppraiseRepository;
 import cn.teammodel.service.EvaluationService;
-import cn.teammodel.utils.ChartUtil;
-import cn.teammodel.utils.PdfUtil;
 import com.itextpdf.text.DocumentException;
-import com.itextpdf.text.pdf.PdfReader;
-import com.itextpdf.text.pdf.PdfStamper;
 import io.swagger.annotations.Api;
-import org.jfree.chart.ChartUtils;
-import org.jfree.chart.JFreeChart;
-import org.jfree.data.general.DefaultPieDataset;
-import org.springframework.core.io.ClassPathResource;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -20,12 +12,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
-import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.util.Map;
 
 @RestController
 @RequestMapping("/")
@@ -51,37 +39,37 @@ public class HelloController {
     }
 
     @GetMapping("public/pdf")
-    public void freepdf(HttpServletResponse response) throws DocumentException, IOException {
-        // 设置response参数
-        response.reset();
-        response.setContentType("application/pdf");
-        response.setHeader("Content-disposition",
-                "attachment;filename=report_student_" + System.currentTimeMillis() + ".pdf");
-        ClassPathResource resource = new ClassPathResource("templates/pdf_templates/student_report.pdf");
-        InputStream in = resource.getInputStream();
-        ServletOutputStream os = response.getOutputStream();
-        // 处理 stampter
-        PdfReader pdfReader = new PdfReader(in);
-        PdfStamper stamper = new PdfStamper(pdfReader, os);
-
-        Map<String, String> data = PdfUtil.data();
-        DefaultPieDataset dataset = new DefaultPieDataset( );
-        dataset.setValue( "IPhone 5s" , new Double( 20 ) );
-        dataset.setValue( "SamSung Grand" , new Double( 20 ) );
-        dataset.setValue( "MotoG" , new Double( 40 ) );
-        dataset.setValue( "Nokia Lumia" , new Double( 10 ) );
-
-        JFreeChart pieChart = ChartUtil.pieChart("手机销量统计", dataset);
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        ChartUtils.writeChartAsJPEG(bos, pieChart, 850, 440);
-        // 填充表单
-        PdfUtil.fillPdfForm(stamper, data);
-        PdfUtil.fillImage(stamper, "praiseDistribution", bos.toByteArray());
-        PdfUtil.fillImage(stamper, "criticalDistribution", bos.toByteArray());
-        // 关闭流
-        stamper.setFormFlattening(true);
-        stamper.close();
-        os.close();
+    public void freepdf(HttpServletResponse response) throws DocumentException, IOException {        // 设置response参数
+//        response.reset();
+//        response.setContentType("application/pdf");
+//        response.setHeader("Content-disposition",
+//                "attachment;filename=report_student_" + System.currentTimeMillis() + ".pdf");
+//        ClassPathResource resource = new ClassPathResource("templates/pdf_templates/student_report.pdf");
+//        InputStream in = resource.getInputStream();
+//        ServletOutputStream os = response.getOutputStream();
+//        // 处理 stampter
+//        PdfReader pdfReader = new PdfReader(in);
+//        PdfStamper stamper = new PdfStamper(pdfReader, os);
+//
+//        Map<String, String> data = PdfUtil.data();
+//        DefaultPieDataset dataset = new DefaultPieDataset( );
+//        dataset.setValue( "IPhone 5s" , new Double( 20 ) );
+//        dataset.setValue( "SamSung Grand" , new Double( 20 ) );
+//        dataset.setValue( "MotoG" , new Double( 40 ) );
+//        dataset.setValue( "Nokia Lumia" , new Double( 10 ) );
+//
+//        JFreeChart pieChart = ChartUtil.pieChart("手机销量统计", dataset);
+//        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+//        ChartUtils.writeChartAsJPEG(bos, pieChart, 850, 440);
+//        // 填充表单
+//        PdfUtil.fillPdfForm(stamper, data);
+//        PdfUtil.fillImage(stamper, "praiseDistribution", bos.toByteArray());
+//        PdfUtil.fillImage(stamper, "criticalDistribution", bos.toByteArray());
+//        // 关闭流
+//        stamper.setFormFlattening(true);
+//        stamper.close();
+//        os.close();
+//
     }
 
 
diff --git a/src/main/java/cn/teammodel/service/impl/EvaluationServiceImpl.java b/src/main/java/cn/teammodel/service/impl/EvaluationServiceImpl.java
index 5824ff9..6c2e46a 100644
--- a/src/main/java/cn/teammodel/service/impl/EvaluationServiceImpl.java
+++ b/src/main/java/cn/teammodel/service/impl/EvaluationServiceImpl.java
@@ -668,7 +668,7 @@ public class EvaluationServiceImpl implements EvaluationService {
         PdfUtil.fillImage(stamper, "praiseDistribution", praiseBos.toByteArray());
         PdfUtil.fillImage(stamper, "criticalDistribution", criticalBos.toByteArray());
         // 关闭流
-        stamper.setFormFlattening(true);
+//        stamper.setFormFlattening(true);
         stamper.close();
         os.close();
 
diff --git a/src/main/resources/templates/pdf_templates/student_report.pdf b/src/main/resources/templates/pdf_templates/student_report.pdf
index 6191a2b..4b286ac 100644
Binary files a/src/main/resources/templates/pdf_templates/student_report.pdf and b/src/main/resources/templates/pdf_templates/student_report.pdf differ