diff --git a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/OfficeFileUtil.java b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/OfficeFileUtil.java
index ee000f6..332b9b3 100644
--- a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/OfficeFileUtil.java
+++ b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/OfficeFileUtil.java
@@ -23,12 +23,10 @@ import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
 import org.apache.poi.xwpf.usermodel.XWPFDocument;
-import org.apache.poi.xwpf.usermodel.XWPFParagraph;
 
 import java.io.*;
 import java.nio.file.Files;
 import java.nio.file.Paths;
-import java.util.List;
 import java.util.Objects;
 
 @Slf4j
@@ -129,6 +127,7 @@ public class OfficeFileUtil {
                 }
             }
         }
+        excel.close();
         return EleCommonUtil.formateString(stringBuilder.toString());
     }
 
@@ -150,6 +149,7 @@ public class OfficeFileUtil {
                 }
             }
         }
+        sheets.close();
         return EleCommonUtil.formateString(stringBuilder.toString());
     }
 
@@ -189,6 +189,7 @@ public class OfficeFileUtil {
         InputStream input = Files.newInputStream(Paths.get(path));
         String pptText = isPptx ? new SlideShowExtractor(new XMLSlideShow(input)).getText() : new SlideShowExtractor(new HSLFSlideShow(input)).getText();
         stringBuilder.append(pptText);
+        input.close();
         return EleCommonUtil.formateString(stringBuilder.toString());
     }