diff --git a/collector/src/main/java/com/usthe/collector/dispatch/timer/WheelTimerTask.java b/collector/src/main/java/com/usthe/collector/dispatch/timer/WheelTimerTask.java
index 7cde187..176f5f1 100644
--- a/collector/src/main/java/com/usthe/collector/dispatch/timer/WheelTimerTask.java
+++ b/collector/src/main/java/com/usthe/collector/dispatch/timer/WheelTimerTask.java
@@ -90,7 +90,7 @@ public class WheelTimerTask implements TimerTask {
                 if (key != null && key.startsWith("^_^") && key.endsWith("^_^")) {
                     key = key.replaceAll("\\^_\\^", "");
                     Configmap param = configmap.get(key);
-                    if (param.getType() == (byte) 3) {
+                    if (param != null && param.getType() == (byte) 3) {
                         String jsonValue = (String) param.getValue();
                          Map<String, String> map = GsonUtil.fromJson(jsonValue, Map.class);
                          if (map != null) {
diff --git a/manager/src/main/resources/define/app/api.yml b/manager/src/main/resources/define/app/api.yml
index e475d20..90ac382 100644
--- a/manager/src/main/resources/define/app/api.yml
+++ b/manager/src/main/resources/define/app/api.yml
@@ -28,6 +28,8 @@ configmap:
     type: 1
   - key: headers
     type: 3
+  - key: params
+    type: 3
 # 指标组列表
 metrics:
   # 第一个监控指标组 cpu
@@ -61,6 +63,9 @@ metrics:
       headers:
         content-type: ^_^contentType^_^
         ^_^headers^_^: ^_^headers^_^
+      # 请求参数内容
+      params:
+        ^_^params^_^: ^_^params^_^
       # 认证
       authorization:
         # 认证方式: Basic Auth, Digest Auth, Bearer Token
diff --git a/manager/src/main/resources/define/param/api.yml b/manager/src/main/resources/define/param/api.yml
index 6828adc..310a553 100644
--- a/manager/src/main/resources/define/param/api.yml
+++ b/manager/src/main/resources/define/param/api.yml
@@ -49,6 +49,12 @@ param:
     required: false
     keyAlias: Header Name
     valueAlias: Header Value
+  - field: params
+    name: 查询Params
+    type: key-value
+    required: false
+    keyAlias: Param Key
+    valueAlias: Param Value
   - field: contentType
     name: Content-Type
     type: text