diff --git a/utool/ps_top_20.sh b/utool/ps_top_20.sh
index 5c2af9c..6374a85 100644
--- a/utool/ps_top_20.sh
+++ b/utool/ps_top_20.sh
@@ -11,7 +11,7 @@ done
 
 fmt="%-9s%-9s\033[1;34m%-6s\033[0m%-6s%-8s%-10s\n"
 awk -v fmt=$fmt 'BEGIN{printf fmt, "PID","PPID","%CPU","%MEM","RSS","COMM"}' > /tmp/cpu.top
-ps -eo pid,ppid,pcpu,pmem,rss,comm | sort -nrk 3 | grep -Ev "grep|ps" | head -n 20 | awk -v fmt=$fmt '{printf fmt, $1,$2,$3,$4,int($5/1024)"M",$6}' >> /tmp/cpu.top
+ps -eo pid,ppid,pcpu,pmem,rss,comm | sort -nrk 3 | grep -Ev "grep|ps|utool" | head -n 20 | awk -v fmt=$fmt '{printf fmt, $1,$2,$3,$4,int($5/1024)"M",$6}' >> /tmp/cpu.top
 
 paste /tmp/mem.top /tmp/deli.top /tmp/cpu.top | column -t
 rm -rf /tmp/{mem.top,cpu.top,deli.top}