diff --git a/src/client/files.go b/src/client/files.go
index 08424b4..3d3639f 100644
--- a/src/client/files.go
+++ b/src/client/files.go
@@ -179,7 +179,14 @@ func (cl *FilesClient) AddSharing(dirpath string) (*http.Response, string, []err
 func (cl *FilesClient) DelSharing(dirpath string) (*http.Response, string, []error) {
 	return cl.r.Delete(cl.url("/v1/fs/sharings")).
 		AddCookie(cl.token).
-		Send(fileshdr.SharingReq{SharingPath: dirpath}).
+		Param(fileshdr.FilePathQuery, dirpath).
+		End()
+}
+
+func (cl *FilesClient) IsSharing(dirpath string) (*http.Response, string, []error) {
+	return cl.r.Get(cl.url("/v1/fs/sharings/exist")).
+		AddCookie(cl.token).
+		Param(fileshdr.FilePathQuery, dirpath).
 		End()
 }
 
diff --git a/src/client/web/src/client/files.ts b/src/client/web/src/client/files.ts
index 519a516..8cb788e 100644
--- a/src/client/web/src/client/files.ts
+++ b/src/client/web/src/client/files.ts
@@ -14,13 +14,12 @@ const listDirQuery = "dp";
 function translateResp(resp: Response<any>): Response<any> {
   if (resp.status === 500) {
     if (
-      (resp.data == null || resp.data === "") ||
-      (
-        resp.data.error != null &&
+      resp.data == null ||
+      resp.data === "" ||
+      (resp.data.error != null &&
         !resp.data.error.includes("fail to lock the file") &&
         !resp.data.error.includes("offset != uploaded") &&
-        !resp.data.error.includes("i/o timeout")
-      )
+        !resp.data.error.includes("i/o timeout"))
     ) {
       return FatalErrResp(resp.statusText);
     }
@@ -160,4 +159,34 @@ export class FilesClient extends BaseClient {
       },
     });
   };
+
+  addSharing = (dirPath: string): Promise<Response> => {
+    return this.do({
+      method: "post",
+      url: `${this.url}/v1/fs/sharings`,
+      data: {
+        SharingPath: dirPath,
+      },
+    });
+  };
+
+  deleteSharing = (dirPath: string): Promise<Response> => {
+    return this.do({
+      method: "delete",
+      url: `${this.url}/v1/fs/sharings`,
+      params: {
+        [filePathQuery]: dirPath,
+      },
+    });
+  };
+
+  isSharing = (dirPath: string): Promise<Response> => {
+    return this.do({
+      method: "get",
+      url: `${this.url}/v1/fs/sharings/exist`,
+      params: {
+        [filePathQuery]: dirPath,
+      },
+    });
+  };
 }
diff --git a/src/handlers/fileshdr/handlers.go b/src/handlers/fileshdr/handlers.go
index f20e158..1a7a36f 100644
--- a/src/handlers/fileshdr/handlers.go
+++ b/src/handlers/fileshdr/handlers.go
@@ -763,21 +763,21 @@ func (h *FileHandlers) AddSharing(c *gin.Context) {
 }
 
 func (h *FileHandlers) DelSharing(c *gin.Context) {
-	req := &SharingReq{}
-	if err := c.ShouldBindJSON(&req); err != nil {
-		c.JSON(q.ErrResp(c, 400, err))
+	dirPath := c.Query(FilePathQuery)
+	if dirPath == "" {
+		c.JSON(q.ErrResp(c, 400, errors.New("invalid file path")))
 		return
 	}
 
 	// TODO: move canAccess to authedFS
 	userName := c.MustGet(q.UserParam).(string)
 	role := c.MustGet(q.RoleParam).(string)
-	if !h.canAccess(userName, role, "", req.SharingPath) {
+	if !h.canAccess(userName, role, "", dirPath) {
 		c.JSON(q.ErrResp(c, 403, errors.New("forbidden")))
 		return
 	}
 
-	err := h.deps.FileInfos().DelSharing(req.SharingPath)
+	err := h.deps.FileInfos().DelSharing(dirPath)
 	if err != nil {
 		c.JSON(q.ErrResp(c, 500, err))
 		return
@@ -786,13 +786,13 @@ func (h *FileHandlers) DelSharing(c *gin.Context) {
 }
 
 func (h *FileHandlers) IsSharing(c *gin.Context) {
-	req := &SharingReq{}
-	if err := c.ShouldBindJSON(&req); err != nil {
-		c.JSON(q.ErrResp(c, 400, err))
+	dirPath := c.Query(FilePathQuery)
+	if dirPath == "" {
+		c.JSON(q.ErrResp(c, 400, errors.New("invalid file path")))
 		return
 	}
 
-	_, ok := h.deps.FileInfos().GetSharing(req.SharingPath)
+	_, ok := h.deps.FileInfos().GetSharing(dirPath)
 	if ok {
 		c.JSON(q.Resp(200))
 	} else {
diff --git a/src/server/server_concurrency_test.go b/src/server/server_concurrency_test.go
index cbb594e..bbdd64c 100644
--- a/src/server/server_concurrency_test.go
+++ b/src/server/server_concurrency_test.go
@@ -148,7 +148,6 @@ func TestConcurrency(t *testing.T) {
 		if selfResp.UsedSpace != int64((filesCount-1)*len(content)) {
 			t.Fatalf("usedSpace(%d) doesn't match (%d)", selfResp.UsedSpace, int64((filesCount-1)*len(content)))
 		}
-		fmt.Println("\n\n\n", selfResp.UsedSpace, int64((filesCount-1)*len(content)))
 
 		wg.Done()
 	}
diff --git a/src/server/server_files_test.go b/src/server/server_files_test.go
index 6b10f8e..01fe63b 100644
--- a/src/server/server_files_test.go
+++ b/src/server/server_files_test.go
@@ -387,6 +387,22 @@ func TestFileHandlers(t *testing.T) {
 			}
 		}
 
+		for dirPath := range sharedPaths {
+			res, _, errs := cl.IsSharing(dirPath)
+			if len(errs) > 0 {
+				t.Fatal(errs)
+			} else if res.StatusCode != 200 {
+				t.Fatal(res.StatusCode)
+			}
+
+			res, _, errs = cl.IsSharing(fmt.Sprintf("%s/", dirPath))
+			if len(errs) > 0 {
+				t.Fatal(errs)
+			} else if res.StatusCode != 404 {
+				t.Fatal(res.StatusCode)
+			}
+		}
+
 		for _, dirPath := range shRes.SharingDirs {
 			res, lsResp, errs := cl.List(dirPath)
 			if len(errs) > 0 {