The data value reported by DTU cannot be filled into Tencent cloud database through Tencent cloud rule engine

DTU The reported data value cannot be filled into the Tencent cloud database through the Tencent cloud rule engine

My question ：DTU The reported data value cannot be filled into the Tencent cloud database through the Tencent cloud rule engine

Process description ：
Established database , For later dtu The reported data shall be filled in the table instrument-value Under the column

I passed the script , Give Way dtu Automatically report sensor data , The data value is “V”： The number after . The message is as follows ,

And my purpose ： Through the rule engine , Put... In the picture above “v”： The value after is forwarded to Tencent cloud mysql In the database .
The rule engine settings are as follows ： The following figure shows the added behavior operation

The following figure shows filtering data editing ,

The format for

But the rules engine doesn't work as usual , Unable to fill data into database .

I think the possible problem is the selection of fields in the editing rules