diff --git a/multipart.go b/multipart.go
index 6361de6..5da1a64 100644
--- a/multipart.go
+++ b/multipart.go
@@ -75,7 +75,7 @@ func createMultipart(postParams IBody, params []interface{}) {
 				} else {
 					for ii, p := range uploadFiles {
 						if p.FieldName == "" {
-							p.FieldName = "file" + strconv.Itoa(ii) + "_" + strconv.Itoa(i)
+							p.FieldName = "file" + strconv.Itoa(i) + "_" + strconv.Itoa(ii)
 						}
 						writeFormUploadFile(mwriter, p)
 					}
diff --git a/upload_file_test.go b/upload_file_test.go
index 027a138..ad1beae 100644
--- a/upload_file_test.go
+++ b/upload_file_test.go
@@ -7,56 +7,101 @@ import (
 )
 
 func TestUploadFile(t *testing.T) {
-	ses := NewSession()
-	wf := ses.Put("http://httpbin.org/put")
 
-	ufile, err := UploadFileFromPath("tests/json.file")
-	if err != nil {
-		t.Error(err)
-	}
-	wf.SetBodyAuto(ufile, TypeFormData)
-	resp, _ := wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
-		t.Error("file error", resp.Content())
-	}
+	for i := 0; i < 1; i++ {
 
-	wf.SetBodyAuto("tests/json.file", TypeFormData)
-	resp, _ = wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
-		t.Error("file error", resp.Content())
-	}
+		ses := NewSession()
+		wf := ses.Put("http://httpbin.org/put")
 
-	ufile = NewUploadFile()
-	ufile.SetFileName("MyFile")
-	ufile.SetFieldName("MyField")
-	ufile.SetFileReaderCloserFromFile("tests/json.file")
-	wf.SetBodyAuto(ufile)
-	resp, _ = wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["MyField"]; !ok {
-		t.Error("file error", resp.Content())
-	}
+		ufile, err := UploadFileFromPath("tests/json.file")
+		if err != nil {
+			t.Error(err)
+		}
+		wf.SetBodyAuto(ufile, TypeFormData)
+		resp, _ := wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
 
-	ufile.SetFileReaderCloserFromFile("tests/json.file")
-	wf.SetBodyAuto(*ufile)
-	resp, _ = wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["MyField"]; !ok {
-		t.Error("file error", resp.Content())
-	}
+		ses = NewSession()
+		wf = ses.Patch("http://httpbin.org/patch")
 
-	ufile = NewUploadFile()
-	ufile.SetFileName("MyFile")
-	ufile.SetFileReaderCloserFromFile("tests/json.file")
-	wf.SetBodyAuto(ufile)
-	resp, _ = wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
-		t.Error("file error", resp.Content())
-	}
+		wf.SetBodyAuto("tests/json.file", TypeFormData)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
 
-	ufile.SetFileReaderCloserFromFile("tests/json.file")
-	wf.SetBodyAuto(*ufile)
-	resp, _ = wf.Execute()
-	if _, ok := gjson.Get(resp.Content(), "files").Map()["MyField"]; !ok {
-		t.Error("file error", resp.Content())
+		ses = NewSession()
+		wf = ses.Delete("http://httpbin.org/delete")
+		ufile = NewUploadFile()
+		ufile.SetFileName("MyFile")
+		ufile.SetFieldName("MyField")
+		ufile.SetFileReaderCloserFromFile("tests/json.file")
+		wf.SetBodyAuto(ufile)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["MyField"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+
+		// ses = NewSession()
+		// wf = ses.Put("http://httpbin.org/put")
+
+		ufile.SetFileReaderCloserFromFile("tests/json.file")
+		wf.SetBodyAuto(*ufile)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["MyField"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+
+		// ses = NewSession()
+		// wf = ses.Put("http://httpbin.org/put")
+
+		ufile = NewUploadFile()
+		ufile.SetFileName("MyFile")
+		ufile.SetFileReaderCloserFromFile("tests/json.file")
+		wf.SetBodyAuto(ufile)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+
+		ufile.SetFileReaderCloserFromFile("tests/json.file")
+		wf.SetBodyAuto(*ufile)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+
+		var ufileList []*UploadFile
+		ufile, err = UploadFileFromPath("tests/json.file")
+		if err != nil {
+			t.Error(err)
+		}
+		ufileList = append(ufileList, ufile)
+		ufile, err = UploadFileFromPath("tests/learn.js")
+		if err != nil {
+			t.Error(err)
+		}
+		ufileList = append(ufileList, ufile)
+		wf.SetBodyAuto(ufileList)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file1"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+
+		if wf.GetBody().ContentType() != "" {
+			t.Error("Body is not Clear")
+		}
+
+		wf.SetBodyAuto([]string{"tests/learn.js", "tests/json.file"}, TypeFormData)
+		resp, _ = wf.Execute()
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file1_0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
+		if _, ok := gjson.Get(resp.Content(), "files").Map()["file0_0"]; !ok {
+			t.Error("file error", resp.Content())
+		}
 	}
 
 }
diff --git a/workflow.go b/workflow.go
index 989515e..0fc0afc 100644
--- a/workflow.go
+++ b/workflow.go
@@ -172,25 +172,25 @@ func (wf *Workflow) GetURLRawPath() string {
 }
 
 // encodePath path格式每个item都必须以/开头
-// func encodePath(path []string) string {
-// 	rawpath := ""
-// 	for _, p := range path {
-// 		if p[0] != '/' {
-// 			p = "/" + p
-// 		}
-// 		rawpath += p
-// 	}
-// 	return rawpath
-// }
+func encodePath(path []string) string {
+	rawpath := ""
+	for _, p := range path {
+		if p[0] != '/' {
+			p = "/" + p
+		}
+		rawpath += p
+	}
+	return rawpath
+}
 
-// // SetURLPath 设置Path参数
-// func (wf *Workflow) SetURLPath(path []string) *Workflow {
-// 	if path == nil {
-// 		return wf
-// 	}
-// 	wf.ParsedURL.Path = encodePath(path)
-// 	return wf
-// }
+// SetURLPath 设置Path参数 对应 GetURLPath
+func (wf *Workflow) SetURLPath(path []string) *Workflow {
+	if path == nil {
+		return wf
+	}
+	wf.ParsedURL.Path = encodePath(path)
+	return wf
+}
 
 // SetURLRawPath 设置 参数 eg. /get = http:// hostname + /get
 func (wf *Workflow) SetURLRawPath(path string) *Workflow {
@@ -333,5 +333,6 @@ func (wf *Workflow) Execute() (*Response, error) {
 		return nil, err
 	}
 
+	wf.Body = NewBody()
 	return FromHTTPResponse(resp, wf.session.Is.isDecompressNoAccept)
 }
diff --git a/workflow_test.go b/workflow_test.go
index 02ebf2f..cf136e3 100644
--- a/workflow_test.go
+++ b/workflow_test.go
@@ -212,6 +212,12 @@ func TestWorkflow_URL(t *testing.T) {
 	if paths[0] != "/anything" || paths[1] != "/user" || paths[2] != "/password" {
 		t.Error("wf.GetURLPath()", paths)
 	}
+
+	wf = ses.Get("http://httpbin.org/")
+	wf.SetURLPath(paths)
+	if gjson.Get(resp.Content(), "url").String() != "http://httpbin.org/anything/user/password" {
+		t.Error("SetParsedURL ", resp.Content())
+	}
 }
 
 func TestWorkflow_Query(t *testing.T) {