diff --git a/cdc/sink/dmlsink/mq/dispatcher/topic/expression.go b/cdc/sink/dmlsink/mq/dispatcher/topic/expression.go
index 61610f6f89d..bd48d9ae991 100644
--- a/cdc/sink/dmlsink/mq/dispatcher/topic/expression.go
+++ b/cdc/sink/dmlsink/mq/dispatcher/topic/expression.go
@@ -68,13 +68,13 @@ func (e Expression) Validate() error {
 		return nil
 	}
 
-	return errors.ErrKafkaInvalidTopicExpression.GenWithStackByArgs()
+	return errors.ErrKafkaInvalidTopicExpression.GenWithStackByArgs(e)
 }
 
 // ValidateForAvro checks whether topic pattern is {schema}_{table}, the only allowed
 func (e Expression) ValidateForAvro() error {
 	if ok := avroTopicNameRE.MatchString(string(e)); !ok {
-		return errors.ErrKafkaInvalidTopicExpression.GenWithStackByArgs(
+		return errors.ErrKafkaInvalidTopicExpression.GenWithStackByArgs(e,
 			"topic rule for Avro must contain {schema} and {table}",
 		)
 	}
diff --git a/cdc/sink/dmlsink/mq/dispatcher/topic/expression_test.go b/cdc/sink/dmlsink/mq/dispatcher/topic/expression_test.go
index 070ae718d49..481c86a2fd0 100644
--- a/cdc/sink/dmlsink/mq/dispatcher/topic/expression_test.go
+++ b/cdc/sink/dmlsink/mq/dispatcher/topic/expression_test.go
@@ -17,10 +17,13 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/pingcap/tiflow/pkg/errors"
 	"github.com/stretchr/testify/require"
 )
 
 func TestSubstituteTopicExpression(t *testing.T) {
+	t.Parallel()
+
 	cases := []struct {
 		name       string
 		expression string
@@ -228,6 +231,8 @@ func TestSubstituteTopicExpression(t *testing.T) {
 }
 
 func TestSchemaOptional(t *testing.T) {
+	t.Parallel()
+
 	expression := "prefix_{table}"
 	topicExpr := Expression(expression)
 	err := topicExpr.Validate()
@@ -240,6 +245,8 @@ func TestSchemaOptional(t *testing.T) {
 }
 
 func TestTableOptional(t *testing.T) {
+	t.Parallel()
+
 	expression := "prefix_{schema}"
 	topicExpr := Expression(expression)
 	err := topicExpr.Validate()
@@ -251,6 +258,22 @@ func TestTableOptional(t *testing.T) {
 	require.Equal(t, topicName, "prefix_test")
 }
 
+func TestInvalidExpression(t *testing.T) {
+	t.Parallel()
+
+	invalidExpr := "%invalid{schema}"
+	topicExpr := Expression(invalidExpr)
+
+	err := topicExpr.Validate()
+	require.ErrorIs(t, err, errors.ErrKafkaInvalidTopicExpression)
+	require.ErrorContains(t, err, invalidExpr)
+
+	err = topicExpr.ValidateForAvro()
+	require.ErrorIs(t, err, errors.ErrKafkaInvalidTopicExpression)
+	require.ErrorContains(t, err, "Avro")
+	require.ErrorContains(t, err, invalidExpr)
+}
+
 // cmd: go test -run='^$' -bench '^(BenchmarkSubstitute)$' github.com/pingcap/tiflow/cdc/sink/dispatcher/topic
 // goos: linux
 // goarch: amd64
diff --git a/errors.toml b/errors.toml
index 5e705e1d20b..5daaaa9a841 100755
--- a/errors.toml
+++ b/errors.toml
@@ -488,7 +488,7 @@ kafka send message failed
 
 ["CDC:ErrKafkaTopicExprInvalid"]
 error = '''
-invalid topic expression
+invalid topic expression: %s 
 '''
 
 ["CDC:ErrLeaseExpired"]
diff --git a/pkg/errors/cdc_errors.go b/pkg/errors/cdc_errors.go
index 0c4eaeacf1c..3a055316195 100644
--- a/pkg/errors/cdc_errors.go
+++ b/pkg/errors/cdc_errors.go
@@ -201,7 +201,7 @@ var (
 		errors.RFCCodeText("CDC:ErrKafkaCreateTopic"),
 	)
 	ErrKafkaInvalidTopicExpression = errors.Normalize(
-		"invalid topic expression",
+		"invalid topic expression: %s ",
 		errors.RFCCodeText("CDC:ErrKafkaTopicExprInvalid"),
 	)
 	ErrKafkaConfigNotFound = errors.Normalize(