feat: update

cluster/directory/base_directory_test.go

@@ -42,7 +42,7 @@ var (
 func TestNewBaseDirectory(t *testing.T) {
 	dir := NewBaseDirectory(url)
 	assert.Equal(t, url, dir.GetUrl())
-	assert.Equal(t, &url, dir.GetDirectoryUrl())
+	assert.Equal(t, url, dir.GetDirectoryUrl())
 }
 
 func TestBuildRouterChain(t *testing.T) {

common/url.go

@@ -402,9 +402,6 @@ func (c *URL) Service() string {
 func (c *URL) AddParam(key string, value string) {
 	c.paramsLock.Lock()
 	defer c.paramsLock.Unlock()
-	if len(value) == 0 {
-		return
-	}
 	c.params.Add(key, value)
 }
 
@@ -415,9 +412,6 @@ func (c *URL) AddParamAvoidNil(key string, value string) {
 	if c.params == nil {
 		c.params = url.Values{}
 	}
-	if len(value) == 0 {
-		return
-	}
 	c.params.Add(key, value)
 }
 
@@ -426,9 +420,6 @@ func (c *URL) AddParamAvoidNil(key string, value string) {
 func (c *URL) SetParam(key string, value string) {
 	c.paramsLock.Lock()
 	defer c.paramsLock.Unlock()
-	if len(value) == 0 {
-		return
-	}
 	c.params.Set(key, value)
 }