diff --git a/plugin_diana/bing.go b/plugin_diana/bing.go
index 4a675d79..001d1219 100644
--- a/plugin_diana/bing.go
+++ b/plugin_diana/bing.go
@@ -60,7 +60,7 @@ func init() {
 	zero.OnFullMatch("小作文", zero.OnlyToMe).
 		Handle(func(ctx *zero.Ctx) {
 			rand.Seed(time.Now().UnixNano())
-			ctx.SendChain(message.Text(ARRAY[rand.Intn(len(ARRAY))]))
+			ctx.SendChain(message.Text(array[rand.Intn(len(array))]))
 		})
 
 	// 逆天
diff --git a/plugin_diana/text.go b/plugin_diana/text.go
index c9cd2ac7..32d087d7 100644
--- a/plugin_diana/text.go
+++ b/plugin_diana/text.go
@@ -13,7 +13,7 @@ const (
 
 var (
 	compo Composition
-	ARRAY []string
+	array []string
 )
 
 func init() {
@@ -24,7 +24,7 @@ func init() {
 			panic(err)
 		}
 		loadText()
-		ARRAY = compo.Array
+		array = compo.Array
 	}()
 }
 
@@ -44,18 +44,17 @@ func loadText() {
 
 func addText(txt string) error {
 	if txt != "" {
-		ARRAY = append(ARRAY, txt)
+		array = append(array, txt)
 		data, err := compo.Marshal()
 		if err == nil {
 			if _, err := os.Stat(datapath); err == nil || os.IsExist(err) {
 				f, err1 := os.OpenFile(pbfile, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644)
-				if err1 != nil {
-					return err1
-				} else {
+				if err1 == nil {
 					defer f.Close()
 					_, err2 := f.Write(data)
 					return err2
 				}
+				return err1
 			}
 		}
 		return err
diff --git a/plugin_github/repo_searcher.go b/plugin_github/repo_searcher.go
index 34101beb..dc5a006d 100644
--- a/plugin_github/repo_searcher.go
+++ b/plugin_github/repo_searcher.go
@@ -1,8 +1,7 @@
-// Plugin github GitHub 仓库搜索
+// Package github GitHub 仓库搜索
 package github
 
 import (
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"net/http"
@@ -64,9 +63,9 @@ func init() { // 插件主体
 }
 
 // notnull 如果传入文本为空，则返回默认值
-func notnull(text, default_ string) string {
+func notnull(text, defstr string) string {
 	if text == "" {
-		return default_
+		return defstr
 	}
 	return text
 }
@@ -91,7 +90,7 @@ func netGet(dest string, header http.Header) ([]byte, error) {
 	}
 	if code := resp.StatusCode; code != 200 {
 		// 如果返回不是200则立刻抛出错误
-		return nil, errors.New(fmt.Sprintf("code %d", code))
+		return nil, fmt.Errorf("code %d", code)
 	}
 	return body, nil
 }
diff --git a/plugin_lolicon/lolicon.go b/plugin_lolicon/lolicon.go
index f1fc20ef..dd68dcdd 100644
--- a/plugin_lolicon/lolicon.go
+++ b/plugin_lolicon/lolicon.go
@@ -58,7 +58,6 @@ func init() {
 func min(a, b int) int {
 	if a < b {
 		return a
-	} else {
-		return b
 	}
+	return b
 }
diff --git a/plugin_manager/manager.go b/plugin_manager/manager.go
index 30ac8cfc..dae56bb5 100644
--- a/plugin_manager/manager.go
+++ b/plugin_manager/manager.go
@@ -1,3 +1,4 @@
+// Package manager 群管
 package manager
 
 import (
@@ -114,9 +115,9 @@ func init() { // 插件主体
 			case "分钟":
 				//
 			case "小时":
-				duration = duration * 60
+				duration *= 60
 			case "天":
-				duration = duration * 60 * 24
+				duration *= 60 * 24
 			default:
 				//
 			}
@@ -246,7 +247,7 @@ func init() { // 插件主体
 				t, ok := (*timer.Timers)[ti]
 				if ok {
 					t.Enable = false
-					delete(*timer.Timers, ti) //避免重复取消
+					delete(*timer.Timers, ti) // 避免重复取消
 					_ = timer.SaveTimers()
 					ctx.Send("取消成功~")
 				} else {
@@ -254,7 +255,7 @@ func init() { // 插件主体
 				}
 			}
 		})
-	//列出本群所有定时
+	// 列出本群所有定时
 	zero.OnFullMatch("列出所有提醒", zero.SuperUserPermission).SetBlock(true).SetPriority(40).
 		Handle(func(ctx *zero.Ctx) {
 			if ctx.Event.GroupID > 0 {
@@ -267,12 +268,12 @@ func init() { // 插件主体
 			if ctx.Event.GroupID > 0 {
 				list := ctx.GetGroupMemberList(ctx.Event.GroupID)
 				rand.Seed(time.Now().UnixNano())
-				rand_index := fmt.Sprint(rand.Intn(int(list.Get("#").Int())))
-				random_card := list.Get(rand_index + ".card").String()
-				if random_card == "" {
-					random_card = list.Get(rand_index + ".nickname").String()
+				randIndex := fmt.Sprint(rand.Intn(int(list.Get("#").Int())))
+				randCard := list.Get(randIndex + ".card").String()
+				if randCard == "" {
+					randCard = list.Get(randIndex + ".nickname").String()
 				}
-				ctx.Send(random_card + "，就是你啦!")
+				ctx.Send(randCard + "，就是你啦!")
 			}
 		})
 	// 入群欢迎
diff --git a/plugin_music/selecter.go b/plugin_music/selecter.go
index 4fde2240..7927fd71 100644
--- a/plugin_music/selecter.go
+++ b/plugin_music/selecter.go
@@ -219,9 +219,9 @@ func md5str(s string) string {
 }
 
 // netGet 返回请求数据
-func netGet(get_url string, header http.Header) []byte {
+func netGet(url string, header http.Header) []byte {
 	client := &http.Client{}
-	request, _ := http.NewRequest("GET", get_url, nil)
+	request, _ := http.NewRequest("GET", url, nil)
 	request.Header = header
 	res, err := client.Do(request)
 	if err != nil {
@@ -233,9 +233,9 @@ func netGet(get_url string, header http.Header) []byte {
 }
 
 // netPost 返回请求数据
-func netPost(post_url string, data url.Values, header http.Header) []byte {
+func netPost(url string, data url.Values, header http.Header) []byte {
 	client := &http.Client{}
-	request, _ := http.NewRequest("POST", post_url, strings.NewReader(data.Encode()))
+	request, _ := http.NewRequest("POST", url, strings.NewReader(data.Encode()))
 	request.Header = header
 	res, err := client.Do(request)
 	if err != nil {
diff --git a/plugin_runcode/code_runner.go b/plugin_runcode/code_runner.go
index 422efb82..82d99dec 100644
--- a/plugin_runcode/code_runner.go
+++ b/plugin_runcode/code_runner.go
@@ -148,38 +148,34 @@ func init() {
 						message.Text("> ", ctx.Event.Sender.NickName, "\n"),
 						message.Text("在线运行代码功能已被禁用"),
 					)
-					return
-				}
-				// 执行运行
-				block := ctx.State["regex_matched"].([]string)[2]
-				block = message.UnescapeCQCodeText(block)
-
-				if block == "help" {
-					// 输出模板
-					ctx.SendChain(
-						message.Text("> ", ctx.Event.Sender.NickName, "  ", language, "-template:\n"),
-						message.Text(
-							">runcode ", language, "\n",
-							templates[language],
-						),
-					)
-					return
-				}
-
-				if output, err := runCode(block, runType); err != nil {
-					// 运行失败
-					ctx.SendChain(
-						message.Text("> ", ctx.Event.Sender.NickName, "\n"),
-						message.Text("ERROR: ", err),
-					)
-					return
 				} else {
-					// 运行成功
-					ctx.SendChain(
-						message.Text("> ", ctx.Event.Sender.NickName, "\n"),
-						message.Text(output),
-					)
-					return
+					// 执行运行
+					block := ctx.State["regex_matched"].([]string)[2]
+					block = message.UnescapeCQCodeText(block)
+					if block == "help" {
+						// 输出模板
+						ctx.SendChain(
+							message.Text("> ", ctx.Event.Sender.NickName, "  ", language, "-template:\n"),
+							message.Text(
+								">runcode ", language, "\n",
+								templates[language],
+							),
+						)
+					} else {
+						if output, err := runCode(block, runType); err != nil {
+							// 运行失败
+							ctx.SendChain(
+								message.Text("> ", ctx.Event.Sender.NickName, "\n"),
+								message.Text("ERROR: ", err),
+							)
+						} else {
+							// 运行成功
+							ctx.SendChain(
+								message.Text("> ", ctx.Event.Sender.NickName, "\n"),
+								message.Text(output),
+							)
+						}
+					}
 				}
 			}
 		})
diff --git a/plugin_setutime/setu_geter.go b/plugin_setutime/setu_geter.go
index 116e7267..030f449f 100644
--- a/plugin_setutime/setu_geter.go
+++ b/plugin_setutime/setu_geter.go
@@ -62,14 +62,14 @@ func init() { // 插件主体
 				ctx.SendChain(message.Text("请稍后重试0x0..."))
 				return
 			}
-			var type_ = ctx.State["regex_matched"].([]string)[1]
+			var imgtype = ctx.State["regex_matched"].([]string)[1]
 			// 补充池子
 			go func() {
-				times := min(pool.Max-pool.size(type_), 2)
+				times := min(pool.Max-pool.size(imgtype), 2)
 				for i := 0; i < times; i++ {
 					illust := &pixiv.Illust{}
 					// 查询出一张图片
-					if err := pool.DB.find(type_, illust, "ORDER BY RANDOM() limit 1"); err != nil {
+					if err := pool.DB.find(imgtype, illust, "ORDER BY RANDOM() limit 1"); err != nil {
 						ctx.SendChain(message.Text("ERROR: ", err))
 						continue
 					}
@@ -80,22 +80,22 @@ func init() { // 插件主体
 					}
 					ctx.SendGroupMessage(pool.Group, []message.MessageSegment{message.Image(file(illust))})
 					// 向缓冲池添加一张图片
-					pool.push(type_, illust)
+					pool.push(imgtype, illust)
 
 					time.Sleep(time.Second * 1)
 				}
 			}()
 			// 如果没有缓存，阻塞5秒
-			if pool.size(type_) == 0 {
+			if pool.size(imgtype) == 0 {
 				ctx.SendChain(message.Text("INFO: 正在填充弹药......"))
 				<-time.After(time.Second * 5)
-				if pool.size(type_) == 0 {
+				if pool.size(imgtype) == 0 {
 					ctx.SendChain(message.Text("ERROR: 等待填充，请稍后再试......"))
 					return
 				}
 			}
 			// 从缓冲池里抽一张
-			if id := ctx.SendChain(message.Image(file(pool.pop(type_)))); id == 0 {
+			if id := ctx.SendChain(message.Image(file(pool.pop(imgtype)))); id == 0 {
 				ctx.SendChain(message.Text("ERROR: 可能被风控了"))
 			}
 			return
@@ -104,8 +104,8 @@ func init() { // 插件主体
 	zero.OnRegex(`^添加(.*?)(\d+)$`, firstValueInList(pool.List), zero.SuperUserPermission).SetBlock(true).SetPriority(21).
 		Handle(func(ctx *zero.Ctx) {
 			var (
-				type_ = ctx.State["regex_matched"].([]string)[1]
-				id, _ = strconv.ParseInt(ctx.State["regex_matched"].([]string)[2], 10, 64)
+				imgtype = ctx.State["regex_matched"].([]string)[1]
+				id, _   = strconv.ParseInt(ctx.State["regex_matched"].([]string)[2], 10, 64)
 			)
 			ctx.SendChain(message.Text("少女祈祷中......"))
 			// 查询P站插图信息
@@ -125,7 +125,7 @@ func init() { // 插件主体
 				return
 			}
 			// 添加插画到对应的数据库table
-			if err := pool.DB.insert(type_, illust); err != nil {
+			if err := pool.DB.insert(imgtype, illust); err != nil {
 				ctx.SendChain(message.Text("ERROR: ", err))
 				return
 			}
@@ -136,11 +136,11 @@ func init() { // 插件主体
 	zero.OnRegex(`^删除(.*?)(\d+)$`, firstValueInList(pool.List), zero.SuperUserPermission).SetBlock(true).SetPriority(22).
 		Handle(func(ctx *zero.Ctx) {
 			var (
-				type_ = ctx.State["regex_matched"].([]string)[1]
-				id, _ = strconv.ParseInt(ctx.State["regex_matched"].([]string)[2], 10, 64)
+				imgtype = ctx.State["regex_matched"].([]string)[1]
+				id, _   = strconv.ParseInt(ctx.State["regex_matched"].([]string)[2], 10, 64)
 			)
 			// 查询数据库
-			if err := pool.DB.del(type_, fmt.Sprintf("WHERE pid=%d", id)); err != nil {
+			if err := pool.DB.del(imgtype, fmt.Sprintf("WHERE pid=%d", id)); err != nil {
 				ctx.Send(fmt.Sprintf("ERROR: %v", err))
 				return
 			}