diff --git a/src/main/java/com/cultural/heritage/common/ErrorCode.java b/src/main/java/com/cultural/heritage/common/ErrorCode.java
index d6f135b..e9f14a1 100644
--- a/src/main/java/com/cultural/heritage/common/ErrorCode.java
+++ b/src/main/java/com/cultural/heritage/common/ErrorCode.java
@@ -13,6 +13,7 @@ public enum ErrorCode {
     FORBIDDEN_ERROR(40300,"禁止访问"),
     SYSTEM_ERROR(50000,"系统内部异常"),
     OPERATION_ERROR(50001,"操作失败"),
+    DATABASE_ERROR(50002, "数据库内部异常"),
     LOGIN_ERROR(40110,"登陆状态变更");
 
     /**
diff --git a/src/main/java/com/cultural/heritage/exception/GlobalExceptionHandler.java b/src/main/java/com/cultural/heritage/exception/GlobalExceptionHandler.java
index 60c77cc..f031eca 100644
--- a/src/main/java/com/cultural/heritage/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/cultural/heritage/exception/GlobalExceptionHandler.java
@@ -4,9 +4,12 @@ import com.cultural.heritage.common.BaseResponse;
 import com.cultural.heritage.common.ErrorCode;
 import com.cultural.heritage.common.ResultUtils;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.jdbc.CannotGetJdbcConnectionException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
+import java.sql.SQLException;
+
 /**
  * 全局异常处理器
  */
@@ -20,9 +23,26 @@ public class GlobalExceptionHandler {
         return ResultUtils.error(e.getCode(), e.getMessage());
     }
 
+    // 处理SQL异常（SQLException）
+    @ExceptionHandler(SQLException.class)
+    public BaseResponse<?> sqlExceptionHandler(SQLException e) {
+        log.error("SQL error", e);
+        return ResultUtils.error(ErrorCode.DATABASE_ERROR, "数据库操作失败，请检查SQL语句");
+    }
+
+
+    // 处理数据库连接异常（CannotGetJdbcConnectionException）
+    @ExceptionHandler(CannotGetJdbcConnectionException.class)
+    public BaseResponse<?> jdbcConnectionExceptionHandler(CannotGetJdbcConnectionException e) {
+        log.error("Database connection error", e);
+        return ResultUtils.error(ErrorCode.DATABASE_ERROR, "无法连接到数据库，请检查数据库连接配置");
+    }
+
+
     @ExceptionHandler(RuntimeException.class)
     public BaseResponse<?> runtimeExceptionHandler(RuntimeException e) {
         log.error("RuntimeException", e);
         return ResultUtils.error(ErrorCode.SYSTEM_ERROR, "系统错误");
     }
+
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 0cfdc9d..180155a 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -3,7 +3,7 @@ spring:
 #    生产环境
     driver-class-name: com.mysql.cj.jdbc.Driver
     url: jdbc:mysql://154.8.193.216:3306/feiyi?serverTimezone=Asia/Shanghai
-    username: feiyi
+    username: feiyi0
     password: 123456asd
     hikari:
       maximum-pool-size: 20
diff --git a/src/main/resources/mapper/AppointmentDateMapper.xml b/src/main/resources/mapper/AppointmentDateMapper.xml
index 23efc35..b2c696d 100644
--- a/src/main/resources/mapper/AppointmentDateMapper.xml
+++ b/src/main/resources/mapper/AppointmentDateMapper.xml
@@ -6,7 +6,7 @@
     <select id="queryAppointmentDateDetail" resultType="com.cultural.heritage.model.vo.appointment.AppointmentDateTimePeriodVO">
         select a.id, a.specificDate, a.isAvailable, a.goodId, t.id timePeriodId, t.timeSlot, t.minNumber, t.maxNumber
         from appointment_date a, time_period t
-        where a.id = t.appointmentDateId and a.isDelete = 0 and t.isDelete =
+        where a.id = t.appointmentDateId and a.isDelete = 0 and t.isDelete = 0
     </select>