diff --git a/registry/rest-registry.go b/registry/rest-registry.go
index 0e4911b..0f79268 100644
--- a/registry/rest-registry.go
+++ b/registry/rest-registry.go
@@ -6,7 +6,6 @@ import (
 	"strconv"
 
 	cuej "git.loafle.net/commons/util-go/encoding/json"
-	cur "git.loafle.net/commons/util-go/reflect"
 	cus "git.loafle.net/commons/util-go/service"
 )
 
@@ -102,7 +101,7 @@ func (rr *restRegistry) InvokeWithBytes(method string, params [][]byte, leadingP
 	}
 	// Decode the args.
 
-	pValues, pInstances := methodSpec.ParamValues()
+	_, pInstances := methodSpec.ParamValues()
 
 	lParamLen := 0
 	if nil != leadingParams {
@@ -117,14 +116,10 @@ func (rr *restRegistry) InvokeWithBytes(method string, params [][]byte, leadingP
 		}
 
 		for indexC := 0; indexC < len(params); indexC++ {
-			t, _, _ := cur.GetTypeInfo(pValues[indexC+lParamLen].Type())
-			if t.Kind() != reflect.String {
-				_params = append(_params, string(params[indexC]))
-				continue
-			}
 			ts, err := strconv.Unquote(string(params[indexC]))
 			if nil != err {
-				return nil, err
+				_params = append(_params, string(params[indexC]))
+				continue
 			}
 			_params = append(_params, ts)
 		}