diff --git a/doc/MQTT.md b/doc/MQTT.md
index 1c44886..c969be3 100644
--- a/doc/MQTT.md
+++ b/doc/MQTT.md
@@ -33,12 +33,14 @@ sequenceDiagram
 ```json
 {
     "action": "StartNewDigestion",
-    "params": {
+    "parameters": {
         "name" : "流程测试",
         "batchNo" : "TR-01",
         "tubes" : [
-            {"no":"TR-01-01", "volume":100},
-            {"no":"TR-01-02", "volume":100}
+            {"no":"TR-01-01", "volume":100},{"no":"TR-01-02", "volume":100},null, null,
+            null, null, null, null,
+            null, null, null, null,
+            null, null, null, null
         ]           
     }
 }
@@ -60,7 +62,7 @@ sequenceDiagram
 {
     "src" : "stw-80a"
     "action" : "TubeRackPutIn",
-    "params" : {
+    "parameters" : {
     	"batchNo":"TR-01"
     },
 }
@@ -78,7 +80,7 @@ sequenceDiagram
 {
     "batchNo" : "TR-01",
     "action" : "TubeRackPutInDone",
-    "params" : {}
+    "parameters" : {}
 }
 ```
 
@@ -94,7 +96,7 @@ sequenceDiagram
 {
     "src" : "stw-80a"
     "action" : "TubeRackTakeOut",
-    "params" : {
+    "parameters" : {
     	"batchNo":"TR-01",
         "tubes": [
             {
@@ -102,6 +104,7 @@ sequenceDiagram
                 "no": "R01-T01",
                 "batchNo": "Batch-1716875877308",
                 "errorRoundCount": 0
+    			
             },
             ...
 		]
@@ -127,7 +130,7 @@ sequenceDiagram
 {
     "batchNo" : "TR-01",
     "action" : "TubeRackTakeOutDone",
-    "params" : {}
+    "parameters" : {}
 }
 ```
 
@@ -141,11 +144,11 @@ sequenceDiagram
 
 ```json
 {
-    "src" : "stw-80a"
+    "src" : "stw-80a",
     "action" : "EmptyTubeRackPutIn",
-    "params" : {
+    "parameters" : {
     	"batchNo":"TR-01"
-    },
+    }
 }
 ```