diff --git a/internal/services/group_bill/create.go b/internal/services/group_bill/create.go
index 9dd7f5d..cd5014d 100644
--- a/internal/services/group_bill/create.go
+++ b/internal/services/group_bill/create.go
@@ -53,7 +53,7 @@ func (s Service) CreateGroupBill(ctx context.Context, req *monify.CreateGroupBil
 	defer tx.Rollback()
 	//Insert
 	billId := uuid.New()
-	if err = insertBill(ctx, tx, logger, insertBillInfo{
+	if err = insertBill(ctx, tx, insertBillInfo{
 		billId:        billId,
 		groupId:       groupId,
 		createdBy:     memberId,
@@ -97,7 +97,8 @@ type insertBillInfo struct {
 	prepaidPeople []*monify.InsertPrepaidPerson
 }
 
-func insertBill(ctx context.Context, tx *sql.Tx, logger *zap.Logger, info insertBillInfo) error {
+func insertBill(ctx context.Context, tx *sql.Tx, info insertBillInfo) error {
+	logger := ctx.Value(middlewares.LoggerContextKey{}).(*zap.Logger)
 	_, err := tx.ExecContext(ctx, `
 		INSERT INTO group_bill (bill_id, group_id, created_by, total_money, title, description)
 		VALUES ($1, $2, $3, $4, $5, $6)
diff --git a/internal/services/group_bill/modify_bill.go b/internal/services/group_bill/modify_bill.go
index 3c23a6c..dd16e15 100644
--- a/internal/services/group_bill/modify_bill.go
+++ b/internal/services/group_bill/modify_bill.go
@@ -58,7 +58,7 @@ func (s Service) ModifyGroupBill(ctx context.Context, req *monify.ModifyGroupBil
 	}
 
 	//Insert
-	if err = insertBill(ctx, tx, logger, insertBillInfo{
+	if err = insertBill(ctx, tx, insertBillInfo{
 		billId:        billId,
 		groupId:       groupId,
 		createdBy:     createdBy,
diff --git a/internal/services/group_bill/service.go b/internal/services/group_bill/service.go
index 1b84767..ba7ad07 100644
--- a/internal/services/group_bill/service.go
+++ b/internal/services/group_bill/service.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"github.com/google/uuid"
+	"go.uber.org/zap"
 	"monify/internal/middlewares"
 	monify "monify/protobuf/gen/go"
 )
@@ -28,19 +29,25 @@ type billHistoryInsertion struct {
 }
 
 func insertBillHistory(ctx context.Context, db *sql.Tx, history billHistoryInsertion) error {
+	logger := ctx.Value(middlewares.LoggerContextKey{}).(*zap.Logger)
 	row := db.QueryRowContext(ctx, `
 		SELECT group_id FROM group_member WHERE group_member_id = $1
 	`, history.operator)
 
 	var groupId uuid.UUID
 	if err := row.Scan(&groupId); err != nil {
+		logger.Error("failed to get group_id", zap.Error(err))
 		return err
 	}
 
-	_, err := db.ExecContext(ctx, `
+	if _, err := db.ExecContext(ctx, `
 		INSERT INTO group_bill_history( history_id, type, bill_id, title, operator, group_id) VALUES ($1, $2, $3, $4, $5, $6)
-	`, uuid.New(), history.ty, history.billId, history.title, history.operator, groupId)
-	return err
+	`, uuid.New(), history.ty, history.billId, history.title, history.operator, groupId); err != nil {
+		logger.Error("failed to insert bill history", zap.Error(err))
+		return err
+	}
+
+	return nil
 }
 
 // context requires middlewares.DatabaseContextKey:*sql.DB
diff --git a/internal/test/group_bill_test.go b/internal/test/group_bill_test.go
index cb0d34a..003487c 100644
--- a/internal/test/group_bill_test.go
+++ b/internal/test/group_bill_test.go
@@ -101,5 +101,4 @@ func TestCreateAndGetGroupBill(t *testing.T) {
 	assert.NoError(t, err)
 	response2, err = client.GetGroupBills(context.TODO(), &monify.GetGroupBillsRequest{GroupId: group.GroupId})
 	assert.Empty(t, response2.GroupBills)
-
 }
diff --git a/migrations/2405310815_create_friend_table.down.sql b/migrations/2405310815_create_friend_table.down.sql
index e69de29..8601dee 100644
--- a/migrations/2405310815_create_friend_table.down.sql
+++ b/migrations/2405310815_create_friend_table.down.sql
@@ -0,0 +1,2 @@
+DROP TABLE friend_bill;
+DROP TABLE friend;
\ No newline at end of file
diff --git a/migrations/2405310815_create_friend_table.up.sql b/migrations/2405310815_create_friend_table.up.sql
index 2a3fdd0..baace5b 100644
--- a/migrations/2405310815_create_friend_table.up.sql
+++ b/migrations/2405310815_create_friend_table.up.sql
@@ -10,11 +10,10 @@ CREATE TABLE friend(
 
 CREATE TABLE friend_bill(
     friend_bill_id uuid PRIMARY KEY,
-    relation_id uuid NOT NULL ,
+    relation_id uuid NOT NULL REFERENCES friend(relation_id),
     amount double precision NOT NULL,
     title varchar(50) NOT NULL ,
     description varchar(100) NOT NULL default '',
-    created_at timestamp NOT NULL default CURRENT_TIMESTAMP,
-    FOREIGN KEY (relation_id) REFERENCES friend(relation_id)
+    created_at timestamp NOT NULL default CURRENT_TIMESTAMP
 )
 
diff --git a/migrations/2406010512_create_bill_history_table.up.sql b/migrations/2406010512_create_bill_history_table.up.sql
index e2d84a7..ecdb05d 100644
--- a/migrations/2406010512_create_bill_history_table.up.sql
+++ b/migrations/2406010512_create_bill_history_table.up.sql
@@ -11,7 +11,7 @@ INSERT INTO group_bill_history_type (name, type) VALUES  ('modify', 2);
 CREATE TABLE group_bill_history(
     history_id uuid PRIMARY KEY,
     type int REFERENCES group_bill_history_type(type),
-    bill_id uuid UNIQUE,
+    bill_id uuid,
     group_id uuid REFERENCES "group"(group_id),
     title varchar(30) NOT NULL,
     operator uuid REFERENCES group_member(group_member_id),
diff --git a/migrations/2406030027_create_friend_invite_table.up.sql b/migrations/2406030027_create_friend_invite_table.up.sql
index 311053d..9f1bf46 100644
--- a/migrations/2406030027_create_friend_invite_table.up.sql
+++ b/migrations/2406030027_create_friend_invite_table.up.sql
@@ -3,6 +3,6 @@ CREATE TABLE friend_invite (
   sender uuid NOT NULL,
   receiver uuid NOT NULL,
   created_at timestamp default CURRENT_TIMESTAMP,
-  FOREIGN KEY (sender) REFERENCES "user_identity"(user_id)
+  FOREIGN KEY (sender) REFERENCES "user_identity"(user_id),
   FOREIGN KEY (receiver) REFERENCES "user_identity"(user_id)
 );
\ No newline at end of file