diff --git a/application.pid b/application.pid
deleted file mode 100644
index 8eafbc7..0000000
--- a/application.pid
+++ /dev/null
@@ -1 +0,0 @@
-186180
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index ec6a835..c33dba7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -146,7 +146,7 @@
         
             org.apache.poi
             poi-ooxml
-            5.2.0
+            4.1.2
         
         
             xerces
@@ -199,6 +199,12 @@
             6.11
         
 
+        
+        
+            cn.idev.excel
+            fastexcel
+            1.2.0
+        
 
     
 
diff --git a/youchain-system/src/main/java/com/youchain/appupdate/rest/NioF3AppController.java b/youchain-system/src/main/java/com/youchain/appupdate/rest/NioF3AppController.java
index 3b6ee31..9871145 100644
--- a/youchain-system/src/main/java/com/youchain/appupdate/rest/NioF3AppController.java
+++ b/youchain-system/src/main/java/com/youchain/appupdate/rest/NioF3AppController.java
@@ -69,7 +69,7 @@ public class NioF3AppController {
     public ResponseEntity