diff --git a/core/th7/service.go b/core/th7/service.go
index b28827f..0a6e289 100644
--- a/core/th7/service.go
+++ b/core/th7/service.go
@@ -127,9 +127,19 @@ func startCacheService(t *TH7Adapter) {
 
 		}
 
-		t.mu.Lock()
+		// maybe update the pcb table here ?
+
+		t.mu.Lock() // LOCK
+
 		t.data = data
-		t.mu.Unlock()
+
+		// update the ratio table of the TH7 adapter
+		table := t.pcbPort.GetTable()
+		t.table.Pivdd = table.Pivdd
+		t.table.Vadj = table.Vadj
+		t.table.Vref = table.Vref
+
+		t.mu.Unlock() // UNLOCK
 
 		elapsed := time.Since(timer_start)