diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmAdminEntry.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmAdminEntry.java
index 3461777..f137490 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmAdminEntry.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmAdminEntry.java
@@ -12,6 +12,8 @@ public class ElmAdminEntry {
         new ElmAdminEntry().work();
     }
 
+    // CodeLineNum 2600
+
     private static final int exitCode = 10;
 
     public void work(){
@@ -99,4 +101,4 @@ public class ElmAdminEntry {
             System.exit(0);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmBusinessEntry.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmBusinessEntry.java
index 986f6fa..02a4f1a 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmBusinessEntry.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/ElmBusinessEntry.java
@@ -127,4 +127,4 @@ public class ElmBusinessEntry {
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/AdminView.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/AdminView.java
index ab3cbe9..f88a0a4 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/AdminView.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/AdminView.java
@@ -555,4 +555,4 @@ public class AdminView {
             e.printStackTrace();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/Display.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/Display.java
index 3b2f64b..0744550 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/Display.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/View/Display.java
@@ -209,4 +209,4 @@ public class Display {
         System.out.println("+ 按回车键继续...");
         sca.nextLine();
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDao.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDao.java
index 393351a..b551338 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDao.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDao.java
@@ -15,4 +15,4 @@ public interface AdminDao {
     boolean updateAdminPassword(Admin admin);
     ResultSet fuzzyQueryExampleForName(String name);
     ResultSet getAllAdmin();
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDaoImpl.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDaoImpl.java
index d9b0834..6da680e 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDaoImpl.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/AdminDaoImpl.java
@@ -181,4 +181,4 @@ public class AdminDaoImpl implements AdminDao{
         }
         return null;
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDao.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDao.java
index 7cfc27d..15f2338 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDao.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDao.java
@@ -26,4 +26,4 @@ public interface BusinessDao {
     boolean deleteFoodId(int foodId, Business business);
     boolean deleteFoodName(String foodName, Business business);
     ResultSet getBusinessFoodInfo(Business business);
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDaoImpl.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDaoImpl.java
index c776e3b..aafcc63 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDaoImpl.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/dao/BusinessDaoImpl.java
@@ -511,4 +511,4 @@ public class BusinessDaoImpl implements BusinessDao{
         }
         return false;
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/jdbc/JDBC.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/jdbc/JDBC.java
index af7e017..f0305c7 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/jdbc/JDBC.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/jdbc/JDBC.java
@@ -30,4 +30,4 @@ public class JDBC {
             throw new RuntimeException("数据库连接失败", e);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Admin.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Admin.java
index 1d5e2af..2672e03 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Admin.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Admin.java
@@ -57,4 +57,4 @@ public class Admin {
     public void setAdminPassword(String password){
         adminPassword = password;
     }
-}
+}
\ No newline at end of file
diff --git a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Business.java b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Business.java
index 97e26a1..86dd927 100644
--- a/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Business.java
+++ b/02_Intellij_Java_CourseExperiment_20240611/CourseExperiment/src/po/Business.java
@@ -93,4 +93,4 @@ public class Business {
     public String toString() {
         return super.toString();
     }
-}
+}
\ No newline at end of file