diff --git a/docs/datacollect/README.md b/docs/datacollect/README.md
index f91edfbe..d91e354b 100644
--- a/docs/datacollect/README.md
+++ b/docs/datacollect/README.md
@@ -44,13 +44,22 @@
                     "type": "yc",
                     //属性参数
                     "params": {
-
+                        //上界
+                        "upBound": 9999,
+                        //下界
+                        "lowBound": 0,
+                        //基值, default: 0
+                        "base": 0,
+                        //系数, default: 1
+                        "coef": 1
                     }
                 },
                 {
-                    "name": "Ib",
-                    "type": "yc",
+                    "name": "Switch01",
+                    "type": "yx",
                     "params": {
+                        //是否取反,default: 0
+                        "invert": 0
                     }
                 }
             ],