diff --git a/internal/util/paramtable/base_table.go b/internal/util/paramtable/base_table.go
index 7330278463..9d40bb1a8e 100644
--- a/internal/util/paramtable/base_table.go
+++ b/internal/util/paramtable/base_table.go
@@ -57,6 +57,7 @@ type BaseTable struct {
 	LogCfgFunc func(log.Config)
 }
 
+// Init initializes the paramtable
 func (gp *BaseTable) Init() {
 	gp.params = memkv.NewMemoryKV()
 
@@ -74,10 +75,12 @@ func (gp *BaseTable) Init() {
 	gp.InitLogCfg()
 }
 
+// GetConfigDir returns the config directory
 func (gp *BaseTable) GetConfigDir() string {
 	return gp.configDir
 }
 
+// LoadFromKVPair saves given kv pair to paramtable
 func (gp *BaseTable) LoadFromKVPair(kvPairs []*commonpb.KeyValuePair) error {
 	for _, pair := range kvPairs {
 		err := gp.Save(pair.Key, pair.Value)