diff --git a/shell/otask.sh b/shell/otask.sh
index 3d4937ec..72e3446b 100644
--- a/shell/otask.sh
+++ b/shell/otask.sh
@@ -81,18 +81,19 @@ run_nohup() {
 }
 
 check_server() {
-  local top_result=$(top -b -n 1)
-  cpu_use=$(echo "$top_result" | grep CPU | grep -v -E 'grep|PID' | awk '{print $2}' | cut -f 1 -d "%" | head -n 1)
+  if [[ $cpu_warn ]] && [[ $mem_warn ]] && [[ $disk_warn ]]; then
+    local top_result=$(top -b -n 1)
+    cpu_use=$(echo "$top_result" | grep CPU | grep -v -E 'grep|PID' | awk '{print $2}' | cut -f 1 -d "%" | head -n 1)
 
-  mem_free=$(free -m | grep "Mem" | awk '{print $3}' | head -n 1)
-  mem_total=$(free -m | grep "Mem" | awk '{print $2}' | head -n 1)
-  mem_use=$(printf "%d%%" $((mem_free * 100 / mem_total)) | cut -f 1 -d "%" | head -n 1)
+    mem_free=$(free -m | grep "Mem" | awk '{print $3}' | head -n 1)
+    mem_total=$(free -m | grep "Mem" | awk '{print $2}' | head -n 1)
+    mem_use=$(printf "%d%%" $((mem_free * 100 / mem_total)) | cut -f 1 -d "%" | head -n 1)
 
-  disk_use=$(df -P | grep /dev | grep -v -E '(tmp|boot|shm)' | awk '{print $5}' | cut -f 1 -d "%" | head -n 1)
-
-  if [[ $cpu_use -gt $cpu_warn ]] || [[ $mem_free -lt $mem_warn ]] || [[ $disk_use -gt $disk_warn ]]; then
-    local resource=$(echo "$top_result" | grep -v -E 'grep|Mem|idle|Load|tr' | awk '{$2="";$3="";$4="";$5="";$7="";print $0}' | head -n 10 | tr '\n' '|' | sed s/\|/\\\\n/g)
-    notify_api "服务器资源异常警告" "当前CPU占用 $cpu_use% 内存占用 $mem_use% 磁盘占用 $disk_use% \n资源占用详情 \n\n $resource"
+    disk_use=$(df -P | grep /dev | grep -v -E '(tmp|boot|shm)' | awk '{print $5}' | cut -f 1 -d "%" | head -n 1)
+    if [[ $cpu_use -gt $cpu_warn ]] && [[ $cpu_warn ]] || [[ $mem_free -lt $mem_warn ]] || [[ $disk_use -gt $disk_warn ]]; then
+      local resource=$(echo "$top_result" | grep -v -E 'grep|Mem|idle|Load|tr' | awk '{$2="";$3="";$4="";$5="";$7="";print $0}' | head -n 10 | tr '\n' '|' | sed s/\|/\\\\n/g)
+      notify_api "服务器资源异常警告" "当前CPU占用 $cpu_use% 内存占用 $mem_use% 磁盘占用 $disk_use% \n资源占用详情 \n\n $resource"
+    fi
   fi
 }
 
diff --git a/shell/share.sh b/shell/share.sh
index fb2d8b8c..4a5ffdfd 100755
--- a/shell/share.sh
+++ b/shell/share.sh
@@ -79,9 +79,9 @@ import_config() {
     default_cron="$(random_range 0 59) $(random_range 0 23) * * *"
   fi
 
-  cpu_warn=${CpuWarn:-80}
-  mem_warn=${MemoryWarn:-80}
-  disk_warn=${DiskWarn:-90}
+  cpu_warn=${CpuWarn}
+  mem_warn=${MemoryWarn}
+  disk_warn=${DiskWarn}
 }
 
 set_proxy() {