修正小Bug

discovery-springcloud-example-service/src/main/java/com/nepxion/discovery/plugin/example/service/DiscoveryApplicationA1.java

@@ -11,6 +11,7 @@ package com.nepxion.discovery.plugin.example.service;
 
 import java.util.Collections;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.cloud.alibaba.sentinel.annotation.SentinelProtect;
@@ -46,7 +47,7 @@ public class DiscoveryApplicationA1 {
     @Bean
     @LoadBalanced
     @SentinelProtect(blockHandler = "handleException", blockHandlerClass = MySentinelExceptionHandler.class)
-    public RestTemplate restTemplate(RestTemplateStrategyInterceptor restTemplateStrategyInterceptor) {
+    public RestTemplate restTemplate(@Autowired(required = false) RestTemplateStrategyInterceptor restTemplateStrategyInterceptor) {
         RestTemplate restTemplate = new RestTemplate();
         restTemplate.setInterceptors(Collections.singletonList(restTemplateStrategyInterceptor));