fix mongo

api/mongo.go

@@ -102,7 +102,7 @@ type Filter struct {
 	Query   *bson.M
 	Patchs  *bson.A
 	Sort    *bson.M
-	Context *iriscontext.Context
+	Context iriscontext.Context
 	// Sort       []string
 	Collection          string
 	QueryType           string