去除多余的字符

aufs/core/sysmonitor.go

@@ -43,7 +43,7 @@ func SysMonitor(w http.ResponseWriter, r *http.Request) {
 		log.Fatalf("获取CPU信息失败: %v", err)
 		return
 	}
-	cpuinfo := fmt.Sprintf(" %.2f%%\n", cpuPercent[0])
+	cpuinfo := fmt.Sprintf(" %.2f%%", cpuPercent[0])
 
 	// 获取内存占用信息
 	memInfo, err := mem.VirtualMemory()