diff --git a/main.go b/main.go
index d5c0104..cd8c08b 100644
--- a/main.go
+++ b/main.go
@@ -88,7 +88,8 @@ func init() {
 		session.FixedTimeReport()
 	}
 
-	logger.Debug("cross-compilation ", util.Go.GetCrossPlatforms())
+	logger.Debug("host ["+runtime.Version()+", "+runtime.GOOS+"_"+runtime.GOARCH+
+		"], cross-compilation ", util.Go.GetCrossPlatforms())
 }
 
 // Main.
diff --git a/output/processes.go b/output/processes.go
index 686ecc7..edab534 100644
--- a/output/processes.go
+++ b/output/processes.go
@@ -32,7 +32,7 @@ var Processes = procs{}
 // Exclusive lock.
 var mutex sync.Mutex
 
-// add adds the specified process to the user process set.
+// Add adds the specified process to the user process set.
 func (procs *procs) Add(wSession *session.WideSession, proc *os.Process) {
 	mutex.Lock()
 	defer mutex.Unlock()
@@ -49,7 +49,7 @@ func (procs *procs) Add(wSession *session.WideSession, proc *os.Process) {
 	logger.Tracef("Session [%s] has [%d] processes", sid, len((*procs)[sid]))
 }
 
-// remove removes the specified process from the user process set.
+// Remove removes the specified process from the user process set.
 func (procs *procs) Remove(wSession *session.WideSession, proc *os.Process) {
 	mutex.Lock()
 	defer mutex.Unlock()
@@ -74,7 +74,7 @@ func (procs *procs) Remove(wSession *session.WideSession, proc *os.Process) {
 	}
 }
 
-// kill kills a process specified by the given pid.
+// Kill kills a process specified by the given pid.
 func (procs *procs) Kill(wSession *session.WideSession, pid int) {
 	mutex.Lock()
 	defer mutex.Unlock()
diff --git a/output/run.go b/output/run.go
index 9cdab5a..0dea317 100644
--- a/output/run.go
+++ b/output/run.go
@@ -149,7 +149,8 @@ func RunHandler(w http.ResponseWriter, r *http.Request) {
 					// remove the exited process from user's process set
 					Processes.Remove(wSession, cmd.Process)
 
-					logger.Debugf("User [%s, %s] 's running [id=%d, file=%s] has done [stdout %v], ", wSession.Username, sid, runningId, filePath, err)
+					logger.Debugf("User [%s, %s] 's running [id=%d, file=%s] has done [stdout %v], ",
+						wSession.Username, sid, runningId, filePath, err)
 
 					channelRet["cmd"] = "run-done"
 					channelRet["output"] = buf.content