diff --git a/client/client.go b/client/client.go
index f9df929..58a3c49 100644
--- a/client/client.go
+++ b/client/client.go
@@ -23,7 +23,6 @@
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/apache/servicecomb-kie/pkg/common"
 	"github.com/apache/servicecomb-kie/pkg/model"
 	"github.com/go-chassis/foundation/httpclient"
 	"github.com/go-chassis/foundation/security"
@@ -88,9 +87,6 @@
 	}
 	url := fmt.Sprintf("%s/%s/%s", c.opts.Endpoint, APIPathKV, key)
 	h := http.Header{}
-	if options.MatchMode != "" {
-		h.Set(common.HeaderMatch, options.MatchMode)
-	}
 	resp, err := c.c.HTTPDoWithContext(ctx, "GET", url, h, nil)
 	if err != nil {
 		return nil, err
@@ -100,6 +96,11 @@
 		if resp.StatusCode == http.StatusNotFound {
 			return nil, ErrKeyNotExist
 		}
+		openlogging.Error("get failed", openlogging.WithTags(openlogging.Tags{
+			"k":      key,
+			"status": resp.Status,
+			"body":   b,
+		}))
 		return nil, fmt.Errorf("get %s failed,http status [%s], body [%s]", key, resp.Status, b)
 	}
 
diff --git a/client/options.go b/client/options.go
index e56b76e..722175d 100644
--- a/client/options.go
+++ b/client/options.go
@@ -22,8 +22,8 @@
 
 //GetOptions is the options of client func
 type GetOptions struct {
-	Labels    map[string]string
-	MatchMode string
+	Labels map[string]string
+	Depth  int
 }
 
 //WithLabels query kv by labels
@@ -33,10 +33,9 @@
 	}
 }
 
-//WithMatchMode has 2 modes
-//exact and greedy
-func WithMatchMode(m string) GetOption {
+//WithDepth query keys with partial match query labels
+func WithDepth(d int) GetOption {
 	return func(options *GetOptions) {
-		options.MatchMode = m
+		options.Depth = d
 	}
 }
diff --git a/go.mod b/go.mod
index 2540c72..77abed3 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@
 	github.com/emicklei/go-restful v2.8.0+incompatible
 	github.com/go-chassis/foundation v0.0.0-20190516083152-b8b2476b6db7
 	github.com/go-chassis/go-archaius v0.18.0
-	github.com/go-chassis/go-chassis v1.4.3
+	github.com/go-chassis/go-chassis v1.5.0
 	github.com/go-chassis/paas-lager v1.0.2-0.20190328010332-cf506050ddb2
 	github.com/go-mesh/openlogging v1.0.1-0.20181205082104-3d418c478b2d
 	github.com/onsi/ginkgo v1.8.0
diff --git a/server/config/config.go b/server/config/config.go
index 36b66c2..00494ad 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -24,7 +24,8 @@
 	"path/filepath"
 )
 
-var configurations *Config
+//Configurations is kie config items
+var Configurations *Config
 
 //Init initiate config files
 func Init(file string) error {
@@ -33,8 +34,8 @@
 	}
 	_, filename := filepath.Split(file)
 	content := archaius.GetString(filename, "")
-	configurations = &Config{}
-	if err := yaml.Unmarshal([]byte(content), configurations); err != nil {
+	Configurations = &Config{}
+	if err := yaml.Unmarshal([]byte(content), Configurations); err != nil {
 		return err
 	}
 	return nil
@@ -42,5 +43,5 @@
 
 //GetDB return db configs
 func GetDB() DB {
-	return configurations.DB
+	return Configurations.DB
 }
diff --git a/server/resource/v1/kv_resource_test.go b/server/resource/v1/kv_resource_test.go
new file mode 100644
index 0000000..8119ef0
--- /dev/null
+++ b/server/resource/v1/kv_resource_test.go
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package v1_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"bytes"
+	"context"
+	"encoding/json"
+	"github.com/apache/servicecomb-kie/pkg/model"
+	"github.com/apache/servicecomb-kie/server/config"
+	"github.com/apache/servicecomb-kie/server/resource/v1"
+	"github.com/go-chassis/go-chassis/server/restful/restfultest"
+	"net/http"
+)
+
+var _ = Describe("v1 kv resource", func() {
+	//for UT
+	config.Configurations = &config.Config{
+		DB: config.DB{},
+	}
+	Describe("put kv", func() {
+		config.Configurations.DB.URI = "mongodb://kie:123@127.0.0.1:27017"
+		Context("valid param", func() {
+			kv := &model.KVDoc{
+				Value:  "1s",
+				Labels: map[string]string{"service": "tester"},
+			}
+			j, _ := json.Marshal(kv)
+			r, _ := http.NewRequest("PUT", "/v1/kv/timeout", bytes.NewBuffer(j))
+			rctx := restfultest.NewRestfulContext(context.Background(), r)
+			rctx.ReadRestfulRequest().SetAttribute("domain", "default")
+			kvr := &v1.KVResource{}
+			kvr.Put(rctx)
+			It("should be 200 ", func() {
+				Expect(rctx.Resp.StatusCode()).Should(Equal(http.StatusOK))
+			})
+
+		})
+	})
+})
diff --git a/server/resource/v1/v1_suite_test.go b/server/resource/v1/v1_suite_test.go
index 99a2884..545cd80 100644
--- a/server/resource/v1/v1_suite_test.go
+++ b/server/resource/v1/v1_suite_test.go
@@ -27,4 +27,5 @@
 func TestV1(t *testing.T) {
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "V1 Suite")
+
 }