change collector readme, fix url path (#98)

* change collector readme, fix url path

* add error return

* fix word mistake

* optimization code

src/modules/collector/readme.md

@@ -9,7 +9,7 @@ linux 服务器基础资源采集agent
 #### 上报数据
 
 ```
-POST /api/push
+POST /api/collector/push
 
 request body:
 // endpoint 可以填ip或者hostname, 如果ip是在运维平台是唯一表示, 那就填ip, hostname类同
@@ -38,7 +38,7 @@ response body:
 #### 获取已生效的采集策略
 
 ```
-GET /api/stra
+GET /api/collector/stra
 
 response body:
 {

src/toolkits/compress/tar.go

@@ -93,6 +93,9 @@ func UnTarGz(srcFilePath string, destDirPath string) error {
 
 	// Gzip reader
 	gr, err := gzip.NewReader(fr)
+	if err != nil {
+		return err
+	}
 
 	// Tar reader
 	tr := tar.NewReader(gr)

src/toolkits/http/middleware/recovery.go

@@ -156,6 +156,5 @@ func function(pc uintptr) []byte {
 }
 
 func timeFormat(t time.Time) string {
-	var timeString = t.Format("2006/01/02 - 15:04:05")
-	return timeString
+	return t.Format("2006/01/02 - 15:04:05")
 }

src/toolkits/pools/pools.go

@@ -168,7 +168,7 @@ func (cp *ConnPools) UpdatePools(addrs []string) []string {
 	return newAddrs
 }
 
-// RpcCient implements the io.Closer interface
+// RpcClient implements the io.Closer interface
 type RpcClient struct {
 	cli  *rpc.Client
 	name string