diff --git a/pigx-common/pigx-common-sentinel/pom.xml b/pigx-common/pigx-common-sentinel/pom.xml
index c1e6320a8..87882a35d 100755
--- a/pigx-common/pigx-common-sentinel/pom.xml
+++ b/pigx-common/pigx-common-sentinel/pom.xml
@@ -55,5 +55,15 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-jackson2</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-tx</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/pigx-common/pigx-common-sentinel/src/main/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandler.java b/pigx-common/pigx-common-sentinel/src/main/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandler.java
index ceabf12a4..49b2dc579 100644
--- a/pigx-common/pigx-common-sentinel/src/main/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandler.java
+++ b/pigx-common/pigx-common-sentinel/src/main/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandler.java
@@ -28,6 +28,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.MessageSourceResolvable;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
+import org.springframework.dao.DataAccessException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.security.access.AccessDeniedException;
@@ -108,6 +109,19 @@ public class GlobalBizExceptionHandler {
 		return R.failed("数据库调用异常，请联系管理员处理");
 	}
 
+	/**
+	 * Spring 包装的数据访问异常，避免向客户端回显 SQL 和数据库结构
+	 * @param exception 数据访问异常
+	 * @return 统一失败响应，不向客户端暴露底层 SQL 细节
+	 */
+	@ExceptionHandler(DataAccessException.class)
+	@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
+	public R handleDataAccessException(DataAccessException exception) {
+		log.error("数据库调用异常 ex={}", exception.getMessage(), exception);
+		Tracer.trace(exception);
+		return R.failed("数据库调用异常，请联系管理员处理");
+	}
+
 	/**
 	 * Feign 远程调用异常，透传远端 R 响应体
 	 * @param e Feign 调用异常
diff --git a/pigx-common/pigx-common-sentinel/src/test/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandlerTests.java b/pigx-common/pigx-common-sentinel/src/test/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandlerTests.java
new file mode 100644
index 000000000..5e3caf8d7
--- /dev/null
+++ b/pigx-common/pigx-common-sentinel/src/test/java/com/pig4cloud/pigx/common/sentinel/handle/GlobalBizExceptionHandlerTests.java
@@ -0,0 +1,39 @@
+package com.pig4cloud.pigx.common.sentinel.handle;
+
+import com.alibaba.csp.sentinel.Entry;
+import com.alibaba.csp.sentinel.SphU;
+import com.pig4cloud.pigx.common.core.constant.CommonConstants;
+import com.pig4cloud.pigx.common.core.util.R;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatus;
+import org.springframework.jdbc.BadSqlGrammarException;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.method.annotation.ExceptionHandlerMethodResolver;
+
+import java.lang.reflect.Method;
+import java.sql.SQLException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class GlobalBizExceptionHandlerTests {
+
+	@Test
+	void dataAccessExceptionMustNotExposeSql() throws Exception {
+		String sql = "select password, salt from sys_user where username = 'admin'";
+		BadSqlGrammarException exception = new BadSqlGrammarException("query", sql, new SQLException("syntax error"));
+		ExceptionHandlerMethodResolver resolver = new ExceptionHandlerMethodResolver(GlobalBizExceptionHandler.class);
+		Method method = resolver.resolveMethodByThrowable(exception);
+
+		assertThat(method).isNotNull();
+		try (Entry entry = SphU.entry("dataAccessExceptionMustNotExposeSql")) {
+			R<?> result = (R<?>) method.invoke(new GlobalBizExceptionHandler(), exception);
+
+			assertThat(result.getCode()).isEqualTo(CommonConstants.FAIL);
+			assertThat(result.getMsg()).isEqualTo("数据库调用异常，请联系管理员处理");
+			assertThat(result.getData()).isNull();
+			assertThat(method.getAnnotation(ResponseStatus.class).value()).isEqualTo(HttpStatus.INTERNAL_SERVER_ERROR);
+			assertThat(entry.getError()).isSameAs(exception);
+		}
+	}
+
+}