fix:fix checkstyle error.

spring-cloud-tencent-rpc-enhancement/src/main/java/com/tencent/cloud/rpc/enhancement/feign/plugin/EnhancedFeignPlugin.java

@@ -46,6 +46,7 @@ public interface EnhancedFeignPlugin extends Ordered {
 	 * Run the plugin.
 	 *
 	 * @param context context in enhanced feign client.
+	 * @throws Throwable throwable thrown from run method.
 	 */
 	void run(EnhancedFeignContext context) throws Throwable;
 

spring-cloud-tencent-rpc-enhancement/src/test/java/com/tencent/cloud/rpc/enhancement/feign/plugin/reporter/ExceptionPolarisReporterTest.java

@@ -85,4 +85,17 @@ public class ExceptionPolarisReporterTest {
 		context.setResponse(response);
 		exceptionPolarisReporter.run(context);
 	}
+
+	@Test
+	public void testHandlerThrowable() {
+		// mock request
+		Request request = mock(Request.class);
+		// mock response
+		Response response = mock(Response.class);
+
+		EnhancedFeignContext context = new EnhancedFeignContext();
+		context.setRequest(request);
+		context.setResponse(response);
+		exceptionPolarisReporter.handlerThrowable(context, new RuntimeException("Mock exception."));
+	}
 }

spring-cloud-tencent-rpc-enhancement/src/test/java/com/tencent/cloud/rpc/enhancement/feign/plugin/reporter/SuccessPolarisReporterTest.java

@@ -87,4 +87,17 @@ public class SuccessPolarisReporterTest {
 		context.setResponse(response);
 		successPolarisReporter.run(context);
 	}
+
+	@Test
+	public void testHandlerThrowable() {
+		// mock request
+		Request request = mock(Request.class);
+		// mock response
+		Response response = mock(Response.class);
+
+		EnhancedFeignContext context = new EnhancedFeignContext();
+		context.setRequest(request);
+		context.setResponse(response);
+		successPolarisReporter.handlerThrowable(context, new RuntimeException("Mock exception."));
+	}
 }