diff --git a/README.md b/README.md
index f90c341f..d7c1a7e0 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ BaiduPCS-Go loglist
 
 ## 切换已登录的百度帐号
 ```
-BaiduPCS-Go su -uid=12345678
+BaiduPCS-Go su <uid>
 ```
 ```
 BaiduPCS-Go su
@@ -326,6 +326,57 @@ BaiduPCS-Go mv /我的资源/1.mp4 /
 BaiduPCS-Go mv /我的资源/1.mp4 /我的资源/3.mp4
 ```
 
+## 离线下载
+```
+BaiduPCS-Go offlinedl
+BaiduPCS-Go clouddl
+BaiduPCS-Go od
+```
+
+离线下载支持http/https/ftp/电驴/磁力链协议
+
+### 添加离线下载任务
+```
+BaiduPCS-Go offlinedl add -path=<离线下载文件保存的路径> 资源地址1 地址2 ...
+```
+
+添加任务成功之后, 返回离线下载的任务ID.
+
+### 精确查询离线下载任务
+```
+BaiduPCS-Go offlinedl query 任务ID1 任务ID2 ...
+```
+
+### 查询离线下载任务列表
+```
+BaiduPCS-Go offlinedl list
+```
+
+### 取消离线下载任务
+```
+BaiduPCS-Go offlinedl cancel 任务ID1 任务ID2 ...
+```
+
+### 删除离线下载任务
+```
+BaiduPCS-Go offlinedl delete 任务ID1 任务ID2 ...
+```
+
+#### 例子
+```
+# 将百度和腾讯主页, 离线下载到根目录 /
+BaiduPCS-Go offlinedl add -path=/ http://baidu.com http://qq.com
+
+# 添加磁力链接任务
+BaiduPCS-Go offlinedl add magnet:?xt=urn:btih:xxx
+
+# 查询任务ID为 12345 的离线下载任务状态
+BaiduPCS-Go offlinedl query 
+
+# 取消任务ID为 12345 的离线下载任务
+BaiduPCS-Go offlinedl cancel 12345
+```
+
 ## 显示和修改程序配置项
 ```
 BaiduPCS-Go config
diff --git a/build.sh b/build.sh
index 1cd9c21d..a6aba9f7 100644
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@ name="BaiduPCS-Go"
 version=$1
 
 if [ "$1" = "" ];then
-    version=v3.3.1
+    version=v3.3.2
 fi
 
 output="out/"
diff --git a/main.go b/main.go
index b4acd723..63413a81 100644
--- a/main.go
+++ b/main.go
@@ -27,7 +27,7 @@ import (
 
 var (
 	// Version 版本号
-	Version = "v3.3.1"
+	Version = "v3.3.2"
 
 	historyFilePath = pcsutil.ExecutablePathJoin("pcs_command_history.txt")
 	reloadFn        = func(c *cli.Context) error {
@@ -644,11 +644,12 @@ func main() {
 			},
 		},
 		{
-			Name:     "offlinedl",
-			Aliases:  []string{"clouddl", "od"},
-			Usage:    "离线下载",
-			Category: "百度网盘",
-			Before:   reloadFn,
+			Name:        "offlinedl",
+			Aliases:     []string{"clouddl", "od"},
+			Usage:       "离线下载",
+			Description: `支持http/https/ftp/电驴/磁力链协议`,
+			Category:    "百度网盘",
+			Before:      reloadFn,
 			Action: func(c *cli.Context) error {
 				if c.NumFlags() <= 0 || c.NArg() <= 0 {
 					cli.ShowCommandHelp(c, c.Command.Name)
@@ -657,10 +658,10 @@ func main() {
 			},
 			Subcommands: []cli.Command{
 				{
-					Name:      "addtask",
-					Aliases:   []string{"at", "a"},
+					Name:      "add",
+					Aliases:   []string{"a"},
 					Usage:     "添加离线下载任务",
-					UsageText: app.Name + " offlinedl addtask -path=<离线下载文件保存的路径> 资源地址1 地址2 ...",
+					UsageText: app.Name + " offlinedl add -path=<离线下载文件保存的路径> 资源地址1 地址2 ...",
 					Action: func(c *cli.Context) error {
 						if c.NArg() < 1 {
 							cli.ShowCommandHelp(c, c.Command.Name)
@@ -678,10 +679,10 @@ func main() {
 					},
 				},
 				{
-					Name:      "querytask",
-					Aliases:   []string{"qt", "q"},
+					Name:      "query",
+					Aliases:   []string{"q"},
 					Usage:     "精确查询离线下载任务",
-					UsageText: app.Name + " offlinedl querytask 任务ID1 任务ID2 ...",
+					UsageText: app.Name + " offlinedl query 任务ID1 任务ID2 ...",
 					Action: func(c *cli.Context) error {
 						if c.NArg() < 1 {
 							cli.ShowCommandHelp(c, c.Command.Name)
@@ -700,20 +701,20 @@ func main() {
 					},
 				},
 				{
-					Name:      "listtask",
-					Aliases:   []string{"lt", "l"},
+					Name:      "list",
+					Aliases:   []string{"ls", "l"},
 					Usage:     "查询离线下载任务列表",
-					UsageText: app.Name + " offlinedl listtask",
+					UsageText: app.Name + " offlinedl list",
 					Action: func(c *cli.Context) error {
 						pcscommand.RunCloudDlListTask()
 						return nil
 					},
 				},
 				{
-					Name:      "canceltask",
-					Aliases:   []string{"ct", "c"},
+					Name:      "cancel",
+					Aliases:   []string{"c"},
 					Usage:     "取消离线下载任务",
-					UsageText: app.Name + " offlinedl listtask 任务ID1 任务ID2 ...",
+					UsageText: app.Name + " offlinedl cancel 任务ID1 任务ID2 ...",
 					Action: func(c *cli.Context) error {
 						if c.NArg() < 1 {
 							cli.ShowCommandHelp(c, c.Command.Name)
@@ -732,10 +733,10 @@ func main() {
 					},
 				},
 				{
-					Name:      "deletetask",
-					Aliases:   []string{"dt", "d"},
+					Name:      "delete",
+					Aliases:   []string{"del", "d"},
 					Usage:     "删除离线下载任务",
-					UsageText: app.Name + " offlinedl deletetask 任务ID1 任务ID2 ...",
+					UsageText: app.Name + " offlinedl delete 任务ID1 任务ID2 ...",
 					Action: func(c *cli.Context) error {
 						if c.NArg() < 1 {
 							cli.ShowCommandHelp(c, c.Command.Name)
diff --git a/resource_windows.syso b/resource_windows.syso
index 8cc90ee3..9492ab27 100644
Binary files a/resource_windows.syso and b/resource_windows.syso differ
diff --git a/versioninfo.json b/versioninfo.json
index 37a5cd5b..d7f494ff 100644
--- a/versioninfo.json
+++ b/versioninfo.json
@@ -3,13 +3,13 @@
         "FileVersion": {
             "Major": 3,
             "Minor": 3,
-            "Patch": 1,
+            "Patch": 2,
             "Build": 0
         },
         "ProductVersion": {
             "Major": 3,
             "Minor": 3,
-            "Patch": 1,
+            "Patch": 2,
             "Build": 0
         },
         "FileFlagsMask": "3f",
@@ -22,14 +22,14 @@
         "Comments": "",
         "CompanyName": "iikira",
         "FileDescription": "百度网盘客户端",
-        "FileVersion": "v3.3.1",
+        "FileVersion": "v3.3.2",
         "InternalName": "",
         "LegalCopyright": "© 2016-2018 iikira.",
         "LegalTrademarks": "",
         "OriginalFilename": "",
         "PrivateBuild": "",
         "ProductName": "BaiduPCS-Go",
-        "ProductVersion": "v3.3.1",
+        "ProductVersion": "v3.3.2",
         "SpecialBuild": ""
     },
     "VarFileInfo": {