diff --git a/assets/language/en/data.json b/assets/language/en/data.json
index be5c94c1..a5223967 100644
--- a/assets/language/en/data.json
+++ b/assets/language/en/data.json
@@ -39,6 +39,7 @@
 	"data-state-mismatch": "\"%v\" is not in \"%v\" state",
 	"data-duplicate": "duplicate data",
 	"data-payment-fail": "failed to create payment",
+	"data-handled-mismatch": "data handled by different user/person",
 
 	"expired": "is expired",
 	"registered": "is already registered",
diff --git a/internal/use-case/main-use-case/consultation/case.go b/internal/use-case/main-use-case/consultation/case.go
index 40099e9c..2de98916 100644
--- a/internal/use-case/main-use-case/consultation/case.go
+++ b/internal/use-case/main-use-case/consultation/case.go
@@ -321,6 +321,16 @@ func Reply(input e.ReplyDto) (*d.Data, error) {
 			return err
 		}
 
+		if data.Doctor_Id != nil && data.Doctor_Id != doctor_id {
+			event.Status = "failed"
+			event.ErrInfo = pl.ErrorInfo{
+				Code:   "data-handled-mismatch",
+				Detail: "data handled by different user/person",
+				Raw:    errors.New("data handled by different user/person"),
+			}
+			return pl.SetLogError(&event, input)
+		}
+
 		data.Doctor_Id = doctor_id
 		data.Solution = input.Solution
 		data.RepliedAt = pu.GetTimeNow()