diff --git a/errs/error_code.go b/errs/error_code.go
index d5e9eea..2bbb313 100644
--- a/errs/error_code.go
+++ b/errs/error_code.go
@@ -1,10 +1,11 @@
 package errs
 
 import (
-	"code.30cm.net/digimon/library-go/errs/code"
 	"fmt"
-	"github.com/zeromicro/go-zero/core/logx"
 	"strings"
+
+	"code.30cm.net/digimon/library-go/errs/code"
+	"github.com/zeromicro/go-zero/core/logx"
 )
 
 type ErrorCode uint32
diff --git a/go.work b/go.work
index e6ab84c..e0798e1 100644
--- a/go.work
+++ b/go.work
@@ -4,7 +4,7 @@ use (
 	.
 	./errs
 	./jwt
-	./storage/mongo
+	./mongo
 	./utils/bitmap
 	./utils/invited_code
 	./validator
diff --git a/storage/mongo/config.go b/mongo/config.go
similarity index 100%
rename from storage/mongo/config.go
rename to mongo/config.go
diff --git a/storage/mongo/const.go b/mongo/const.go
similarity index 100%
rename from storage/mongo/const.go
rename to mongo/const.go
diff --git a/storage/mongo/custom_mongo_decimal.go b/mongo/custom_mongo_decimal.go
similarity index 100%
rename from storage/mongo/custom_mongo_decimal.go
rename to mongo/custom_mongo_decimal.go
diff --git a/storage/mongo/doc-db-with-cache.go b/mongo/doc-db-with-cache.go
similarity index 99%
rename from storage/mongo/doc-db-with-cache.go
rename to mongo/doc-db-with-cache.go
index f993558..1484aa2 100755
--- a/storage/mongo/doc-db-with-cache.go
+++ b/mongo/doc-db-with-cache.go
@@ -3,6 +3,7 @@ package mongo
 import (
 	"context"
 	"fmt"
+
 	"github.com/zeromicro/go-zero/core/stores/cache"
 	"github.com/zeromicro/go-zero/core/stores/mon"
 	"go.mongodb.org/mongo-driver/mongo"
diff --git a/storage/mongo/doc-db.go b/mongo/doc-db.go
similarity index 99%
rename from storage/mongo/doc-db.go
rename to mongo/doc-db.go
index ea71246..ea6d034 100755
--- a/storage/mongo/doc-db.go
+++ b/mongo/doc-db.go
@@ -4,15 +4,16 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"net/url"
+	"strings"
+	"time"
+
 	"github.com/zeromicro/go-zero/core/logx"
 	"github.com/zeromicro/go-zero/core/stores/mon"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 	"go.mongodb.org/mongo-driver/mongo/readpref"
-	"net/url"
-	"strings"
-	"time"
 )
 
 type DocumentDB struct {
diff --git a/storage/mongo/go.mod b/mongo/go.mod
similarity index 100%
rename from storage/mongo/go.mod
rename to mongo/go.mod
diff --git a/storage/mongo/option.go b/mongo/option.go
similarity index 100%
rename from storage/mongo/option.go
rename to mongo/option.go
diff --git a/storage/mongo/usecase.go b/mongo/usecase.go
similarity index 99%
rename from storage/mongo/usecase.go
rename to mongo/usecase.go
index b1bc570..cbc9090 100644
--- a/storage/mongo/usecase.go
+++ b/mongo/usecase.go
@@ -2,6 +2,7 @@ package mongo
 
 import (
 	"context"
+
 	"github.com/zeromicro/go-zero/core/stores/mon"
 	"go.mongodb.org/mongo-driver/mongo"
 	mopt "go.mongodb.org/mongo-driver/mongo/options"