diff --git a/0006-add-cpu-online-fault-isolation.patch b/0006-add-cpu-online-fault-isolation.patch
index 448405212613fe2fead97aa6d62dae481d5e2b5d..81707cdc788d54c941de87d6b53dc360ede0962e 100644
--- a/0006-add-cpu-online-fault-isolation.patch
+++ b/0006-add-cpu-online-fault-isolation.patch
@@ -15,11 +15,11 @@ Signed-off-by: Luo Shengwei <luoshengwei@huawei.com>
  queue.c             | 126 +++++++++++
  queue.h             |  43 ++++
  ras-arm-handler.c   |  72 +++++++
- ras-cpu-isolation.c | 497 ++++++++++++++++++++++++++++++++++++++++++++
+ ras-cpu-isolation.c | 495 ++++++++++++++++++++++++++++++++++++++++++++
  ras-cpu-isolation.h |  76 +++++++
  ras-events.c        |   8 +
  ras-record.h        |   5 +
- 11 files changed, 861 insertions(+), 2 deletions(-)
+ 11 files changed, 859 insertions(+), 2 deletions(-)
  create mode 100644 queue.c
  create mode 100644 queue.h
  create mode 100644 ras-cpu-isolation.c
@@ -386,10 +386,10 @@ index 2f170e2..f9baa51 100644
  	ras_store_arm_record(ras, &ev);
 diff --git a/ras-cpu-isolation.c b/ras-cpu-isolation.c
 new file mode 100644
-index 0000000..153c9b4
+index 0000000..7f1c287
 --- /dev/null
 +++ b/ras-cpu-isolation.c
-@@ -0,0 +1,497 @@
+@@ -0,0 +1,495 @@
 +/*
 + * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 + *
@@ -543,25 +543,23 @@ index 0000000..153c9b4
 +static int get_cpu_status(unsigned cpu)
 +{
 +    int fd, num;
++    char buf[2] = "";
 +    fd = open_sys_file(cpu, O_RDONLY, cpu_path_format);
 +
 +    if (fd == -1) {
 +        return CPU_UNKNOWN;
 +    }
 +
-+    if (read(fd, &num, 1) <= 0) {
++    if (read(fd, buf, 1) <= 0 || sscanf(buf, "%d", &num) != 1) {
 +        num = CPU_UNKNOWN;
 +    }
-+    else {
-+        num = num - '0';
-+    }
 +
 +    close(fd);
 +
-+    return num;
++    return (num < 0 || num > CPU_UNKNOWN) ? CPU_UNKNOWN : num;
 +}
 +
-+static int init_cpu_info(unsigned int cpus)
++static int init_cpu_info(unsigned cpus)
 +{
 +    ncores = cpus;
 +    cpu_infos = (struct cpu_info *) malloc(sizeof(*cpu_infos) * cpus);
@@ -669,7 +667,7 @@ index 0000000..153c9b4
 +    char *env = getenv("CPU_ISOLATION_ENABLE");
 +
 +    if (env == NULL || strcasecmp(env, "yes")) {
-+        log(TERM, LOG_ERR, "Config of cpu fault isolation is not on\n");
++        log(TERM, LOG_WARNING, "Cpu fault isolation is disabled\n");
 +        return -1;
 +    }
 +
@@ -700,7 +698,7 @@ index 0000000..153c9b4
 +static int do_cpu_offline(unsigned cpu)
 +{
 +    int fd, rc;
-+    char buf[2];
++    char buf[2] = "";
 +    cpu_infos[cpu].state = CPU_OFFLINE_FAILED;
 +    fd = open_sys_file(cpu, O_RDWR, cpu_path_format);
 +
@@ -876,12 +874,12 @@ index 0000000..153c9b4
 +        log(TERM, LOG_WARNING, "Doing nothing in the cpu%d\n", cpu);
 +    }
 +    else if (ret == HANDLE_SUCCEED) {
-+        log(TERM, LOG_INFO, "Offline cpu %d succeed, the state is %s\n",
++        log(TERM, LOG_INFO, "Offline cpu%d succeed, the state is %s\n",
 +            cpu, cpu_state[cpu_infos[cpu].state]);
 +        clear_queue(cpu_infos[cpu].ce_queue);
 +    }
 +    else {
-+        log(TERM, LOG_INFO, "Offline cpu %d fail, the state is %s\n",
++        log(TERM, LOG_INFO, "Offline cpu%d fail, the state is %s\n",
 +            cpu, cpu_state[cpu_infos[cpu].state]);
 +    }
 +
diff --git a/rasdaemon.spec b/rasdaemon.spec
index 0e10558a4210bbe401f4a3d296118c3df1eafbba..a25b8813f80fc28714d9a5af63751d8cb9ebd5bf 100644
--- a/rasdaemon.spec
+++ b/rasdaemon.spec
@@ -1,6 +1,6 @@
 Name:			rasdaemon
 Version:		0.6.6
-Release:		4
+Release:		5
 License:		GPLv2
 Summary:		Utility to get Platform Reliability, Availability and Serviceability (RAS) reports via the Kernel tracing events
 URL:			https://github.com/mchehab/rasdaemon.git
@@ -72,6 +72,10 @@ rm INSTALL %{buildroot}/usr/include/*.h
 /usr/bin/systemctl enable rasdaemon.service >/dev/null 2>&1 || :
 
 %changelog
+* Thu Jun 3 2021 luoshengwei<luoshengwei@huawei.com> - 0.6.6-5
+- modify the way to get cpu status and modify some description of
+- the log print
+
 * Fri May 21 2021 luoshengwei<luoshengwei@huawei.com> - 0.6.6-4
 - add cpu online fault isolation, user can enable this function
 - by configure --enable-cpu-fault-isolation