diff --git a/Doc/ OpenGauss常用命令.txt b/Doc/ OpenGauss常用命令.txt
new file mode 100644
index 0000000..325a1d2
--- /dev/null
+++ b/Doc/ OpenGauss常用命令.txt	
@@ -0,0 +1,33 @@
+# 查询数据库相应用户dsideal的所有序列
+SELECT
+	*
+FROM
+	pg_class
+WHERE
+	relowner = (SELECT usesysid FROM pg_user WHERE usename = 'dsideal')
+	AND relkind = 'S'
+
+# 查询所有表名字，默认schema名字是public
+SELECT
+	tablename
+FROM
+	pg_tables
+WHERE
+	schemaname = 'public'
+
+# 查询已知表名tableName的所有字段的字段名、类型、是否为空、注释
+SELECT
+	A.attname AS NAME,
+	format_type(A.atttypid, A.atttypmod) AS TYPE,
+	A.attnotnull AS NOTNULL,
+	col_description(A.attrelid, A.attnum) AS COMMENT
+FROM
+	pg_class AS C,
+	pg_attribute AS A
+WHERE
+	C.relname = 'tableName'
+	AND A.attnum > 0
+	AND A.attrelid = C.oid
+
+# 需要注意修改一下
+mysql:ifnull <--> pgsql:coalesce
\ No newline at end of file
diff --git a/src/main/java/UnitTest/TestOpenGauss.java b/src/main/java/UnitTest/TestOpenGauss.java
index 7d5b4e5..ac79568 100644
--- a/src/main/java/UnitTest/TestOpenGauss.java
+++ b/src/main/java/UnitTest/TestOpenGauss.java
@@ -12,8 +12,8 @@ import java.util.List;
 public class TestOpenGauss {
     public static void main(String[] args) {
         //读取库
-        DruidPlugin druid = new DruidPlugin("jdbc:postgresql://10.10.14.62:5432/dsideal_db", "test",
-                "Test@123", "org.postgresql.Driver");
+        DruidPlugin druid = new DruidPlugin("jdbc:postgresql://10.10.14.62:5432/ccdjzswd_db", "dsideal",
+                "DsideaL147258369", "org.postgresql.Driver");
         druid.start();
 
         ActiveRecordPlugin arp = new ActiveRecordPlugin(druid);
diff --git a/src/main/java/com/dsideal/FengHuang/Exam/Model/ExamModel.java b/src/main/java/com/dsideal/FengHuang/Exam/Model/ExamModel.java
index 8ca0fe2..ba1d315 100644
--- a/src/main/java/com/dsideal/FengHuang/Exam/Model/ExamModel.java
+++ b/src/main/java/com/dsideal/FengHuang/Exam/Model/ExamModel.java
@@ -27,11 +27,11 @@ public class ExamModel {
     public Kv addPerson(String person_name, String ks, String tel) {
         Kv kv = Kv.create();
         //1、检查此人员是不是已经存在过
-        String sql = "select count(1) as count from t_exam_person where person_name=? and tel=? and b_use=1";
+        String sql = "select count(1) as count from t_exam_person where person_name=? and tel=? and b_use=1 and end_time is not null";
         int cnt = Db.findFirst(sql, person_name, tel).getInt("count");
         if (cnt > 0) {
             kv.set("success", false);
-            kv.set("message", "当前人员已经进行过测试，不能重复进行！");
+            kv.set("message", "当前人员已经进行过测试并且已交卷，不能重复进行！");
             return kv;
         }
         //2、增加人员信息
diff --git a/src/main/java/com/dsideal/FengHuang/Start.java b/src/main/java/com/dsideal/FengHuang/Start.java
index 767d9c0..63a58a7 100644
--- a/src/main/java/com/dsideal/FengHuang/Start.java
+++ b/src/main/java/com/dsideal/FengHuang/Start.java
@@ -122,9 +122,9 @@ public class Start extends JFinalConfig {
         //数据监控
         druidPlugin.addFilter(new StatFilter());
         //sql防注入
-        WallFilter wall = new WallFilter();
-        wall.setDbType("mysql");
-        druidPlugin.addFilter(wall);
+        //WallFilter wall = new WallFilter();
+        //wall.setDbType("mysql");
+        //druidPlugin.addFilter(wall);
 
         me.add(druidPlugin);
         // 配置ActiveRecord插件
diff --git a/src/main/resource/application.properties b/src/main/resource/application.properties
index cb04b39..95d339a 100644
--- a/src/main/resource/application.properties
+++ b/src/main/resource/application.properties
@@ -3,6 +3,13 @@ driverClassName=com.mysql.cj.jdbc.Driver
 user=root
 password=DsideaL147258369
 jdbcUrl=jdbc:mysql://10.10.14.169:22066/ccdjzswd_db?rewriteBatchedStatements=true&useUnicode=true&zeroDateTimeBehavior=CONVERT_TO_NULL&useSSL=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+
+#driverClassName=org.postgresql.Driver
+#user=dsideal
+#password=DsideaL147258369
+#jdbcUrl=jdbc:postgresql://10.10.14.62:5432/ccdjzswd_db
+
+
 # redis ip
 redis_ip=10.10.14.169
 # redis port
diff --git a/target/classes/application.properties b/target/classes/application.properties
index cb04b39..95d339a 100644
--- a/target/classes/application.properties
+++ b/target/classes/application.properties
@@ -3,6 +3,13 @@ driverClassName=com.mysql.cj.jdbc.Driver
 user=root
 password=DsideaL147258369
 jdbcUrl=jdbc:mysql://10.10.14.169:22066/ccdjzswd_db?rewriteBatchedStatements=true&useUnicode=true&zeroDateTimeBehavior=CONVERT_TO_NULL&useSSL=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+
+#driverClassName=org.postgresql.Driver
+#user=dsideal
+#password=DsideaL147258369
+#jdbcUrl=jdbc:postgresql://10.10.14.62:5432/ccdjzswd_db
+
+
 # redis ip
 redis_ip=10.10.14.169
 # redis port