# 修改注册 DelegatingTracingFilter 的方式，支持对 filter 执行顺序的排序。

brave-spring-boot-starter/src/main/java/cn/quantgroup/tech/brave/configuration/BraveAutoConfiguration.java

@@ -36,11 +36,15 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
 import org.springframework.http.client.ClientHttpRequestInterceptor;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.web.filter.CharacterEncodingFilter;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 import zipkin2.Span;
@@ -237,17 +241,17 @@ public class BraveAutoConfiguration {
         @ConditionalOnClass({Filter.class})
         @ConditionalOnProperty(prefix = "tech.brave", name = "enabled", havingValue = "true", matchIfMissing = true)
         public static class ServletEnable {
-            /**
-             * 创建一个bean
-             *
-             * @return
-             */
-            @Bean(name = "techDelegatingTracingFilter")
-            public Filter delegatingTracingFilter() {
-                log.info("注册DelegatingTracingFilter");
-                return new DelegatingTracingFilter();
-            }
 
+            @Bean
+            public FilterRegistrationBean registrationBean() {
+                FilterRegistrationBean registrationBean = new FilterRegistrationBean();
+                DelegatingTracingFilter delegatingTracingFilter = new DelegatingTracingFilter();
+                registrationBean.setFilter(delegatingTracingFilter);
+                registrationBean.setName("techDelegatingTracingFilter");
+                registrationBean.setOrder(Integer.MIN_VALUE);
+                registrationBean.addUrlPatterns("/*");
+                return registrationBean;
+            }
         }
 
         @Configuration