rpc 增加调用方信息

framework-boot/src/main/java/com/mrxu/framework/boot/entity/RpcRequestInfo.java

@@ -10,7 +10,11 @@ public class RpcRequestInfo {
     private static ThreadLocal<RpcRequestInfo> rpcRequestInfo = new ThreadLocal<RpcRequestInfo>();
 
     public static RpcRequestInfo get() {
-        return rpcRequestInfo.get();
+        RpcRequestInfo rs = rpcRequestInfo.get();
+        if(rs == null) {
+            rs = new RpcRequestInfo();
+        }
+        return rs;
     }
 
     public static void remove() {