diff --git a/.github/workflows/build-short.yml b/.github/workflows/build-short.yml
index 022f8db..b11b76e 100644
--- a/.github/workflows/build-short.yml
+++ b/.github/workflows/build-short.yml
@@ -1,7 +1,7 @@
 name: 'Build and Test Hub'
 
-on:
-  push:
+on: ["push", "pull_request"]
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index 0c9f67b..4161f35 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -513,7 +513,7 @@ type HashXHistoryKey struct {
 }
 
 type HashXHistoryValue struct {
-	TxNums []uint32 `struct:"lsb" struct-while:"!_eof" json:"tx_nums"`
+	HashXes []uint16 `struct-while:"!_eof" json:"hashxes"`
 }
 
 func (k *HashXHistoryKey) String() string {
@@ -538,10 +538,10 @@ func (k *HashXHistoryKey) PackKey() []byte {
 }
 
 func (v *HashXHistoryValue) PackValue() []byte {
-	n := len(v.TxNums)
-	value := make([]byte, n*4)
-	for i, x := range v.TxNums {
-		binary.LittleEndian.PutUint32(value[i*4:], x)
+	n := len(v.HashXes)
+	value := make([]byte, n*2)
+	for i, x := range v.HashXes {
+		binary.BigEndian.PutUint16(value[i*2:], x)
 	}
 
 	return value
@@ -600,13 +600,13 @@ func HashXHistoryKeyUnpack(key []byte) *HashXHistoryKey {
 }
 
 func HashXHistoryValueUnpack(value []byte) *HashXHistoryValue {
-	n := len(value) / 4
-	txnums := make([]uint32, n)
+	n := len(value) / 2
+	hashxes := make([]uint16, n)
 	for i := 0; i < n; i++ {
-		txnums[i] = binary.LittleEndian.Uint32(value[i*4:])
+		hashxes[i] = binary.BigEndian.Uint16(value[i*2:])
 	}
 	return &HashXHistoryValue{
-		TxNums: txnums,
+		HashXes: hashxes,
 	}
 }