diff --git a/src/main/java/com/example/exam/exam/service/mysql/IMysqlLocalServiceImpl.java b/src/main/java/com/example/exam/exam/service/mysql/IMysqlLocalServiceImpl.java
index 90470a2..5a96f0c 100644
--- a/src/main/java/com/example/exam/exam/service/mysql/IMysqlLocalServiceImpl.java
+++ b/src/main/java/com/example/exam/exam/service/mysql/IMysqlLocalServiceImpl.java
@@ -195,6 +195,7 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
                             boolean tableExists = false;
                             //学生语句
                             String stuSQL = null;
+                            String yuju=null;
                             try (Connection connstu = DriverManager.getConnection(stuDbUrl, user, password);
                                  Statement stmtstu = connstu.createStatement()) {
                                 try (ResultSet rsstu = stmtstu.executeQuery(sql2)) {
@@ -219,10 +220,11 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
                                             column.put("EXTRA", rsstu.getString("EXTRA"));
                                             table2Columns.add(column);
                                         } while (rsstu.next());
-
+                                        yuju = compareTables(table1Columns, table2Columns, stuDataName, tableName, tableName, judgementStr);
                                     } else {
                                         // 表不存在时的处理逻辑
                                         System.out.println("表 " + tableName + " 在学生数据库中不存在");
+                                         yuju = compareTables(table1Columns, table2Columns, stuDataName, tableName, null, judgementStr);
 
 
                                     }
@@ -231,7 +233,6 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
                                 }
                             }
 
-                            String yuju = compareTables(table1Columns, table2Columns, stuDataName, tableName, tableName, judgementStr);
                             judgementStr = yuju;
 
 
@@ -1218,8 +1219,15 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
     private static String compareTables(Set<Map<String, String>> standardSet, Set<Map<String, String>> studentSet, String dbTable, String tableName, String tableNameStu, String judgementStr) {
         int index = 1;
         // 判断表名是否一致
-        String tableNameCheck = tableName.equalsIgnoreCase(tableNameStu) ? "✔" : "x";
-        String tableNameCheckOther = tableName.equalsIgnoreCase(tableNameStu) ? "✅" : "❌";
+        String tableNameCheck=null;
+        String tableNameCheckOther=null;
+        if (tableNameStu==null){
+             tableNameCheck =  "x";
+             tableNameCheckOther =  "❌";
+        }else {
+             tableNameCheck = tableName.equalsIgnoreCase(tableNameStu) ? "✔" : "x";
+             tableNameCheckOther = tableName.equalsIgnoreCase(tableNameStu) ? "✅" : "❌";
+        }
         // 输出
         System.out.printf("%02d.【数据表】【%s】【名称】【%s】【%s】\n", index, dbTable, tableName, tableNameCheck);
         appendToFile(answerLogPath, "%02d.【数据表】【%s】【名称】【%s】【%s】\n", index, dbTable, tableName, tableNameCheck);