diff --git a/pwrapic/src/pwrproc.c b/pwrapic/src/pwrproc.c
index da36b98e922db9ae8b366fcc9074e15eba9f7626..6c38312b0035c091d8e2e551f972c55bee644151 100644
--- a/pwrapic/src/pwrproc.c
+++ b/pwrapic/src/pwrproc.c
@@ -171,7 +171,7 @@ int AddWattProcs(const pid_t wattProcs[], uint32_t num)
     ReqInputParam input;
     input.optType = PROC_ADD_WATT_PROCS;
     input.dataLen = (uint32_t)sizeof(pid_t) * num;
-    input.data = (char *)&wattProcs;
+    input.data = (char *)wattProcs;
 
     RspOutputParam output;
     output.rspBuffSize = NULL;
@@ -191,7 +191,7 @@ int DelWattProcs(const pid_t wattProcs[], uint32_t num)
     ReqInputParam input;
     input.optType = PROC_DEL_WATT_PROCS;
     input.dataLen = (uint32_t)sizeof(pid_t) * num;
-    input.data = (char *)&wattProcs;
+    input.data = (char *)wattProcs;
 
     RspOutputParam output;
     output.rspBuffSize = NULL;
diff --git a/pwrapis/src/procservice.c b/pwrapis/src/procservice.c
index 596ee346feb03def9fa9ac502f9cf37702770ca0..f54055f1df93ecc7b26114e33180de225f3c0393 100644
--- a/pwrapis/src/procservice.c
+++ b/pwrapis/src/procservice.c
@@ -22,7 +22,9 @@
 #include "utils.h"
 #include "cpuservice.h"
 
-#define GET_US_PROCS_CMD "pstree -pn 1 | grep -o '([[:digit:]]*)' | grep -o '[[:digit:]]*'"
+#define GET_US_PROCS_CMD                                                                 \
+    "pstree -pn 1 | grep -v pstree | grep -v grep | grep -o '([[:digit:]]*)' | grep -o " \
+    "'[[:digit:]]*'"
 #define QUERY_PROCS_CMD "ps -ef | grep -E '%s' | grep -v grep | awk '{print $2}'"
 
 #define WATT_CGROUP_PATH "/sys/fs/cgroup/cpu/watt_sched"