diff --git a/server/jccommon/constant.go b/server/jccommon/constant.go
index 288d80da..ca426211 100644
--- a/server/jccommon/constant.go
+++ b/server/jccommon/constant.go
@@ -4,3 +4,8 @@ const (
 	NFT_TYPE_CFHERO = 1
 	NFT_TYPE_GOLD_BULLION = 11
 )
+
+const (
+	ITEM_TYPE_HERO = 3
+	ITEM_TYPE_GOLD_BULLION = 31
+)
diff --git a/server/marketserver/mt/Item.go b/server/marketserver/mt/Item.go
index 80d4cb73..b8d0519e 100644
--- a/server/marketserver/mt/Item.go
+++ b/server/marketserver/mt/Item.go
@@ -4,6 +4,7 @@ import (
 	"q5"
 	"f5"
 	"mtb"
+	"jccommon"
 	"strings"
 )
 
@@ -25,6 +26,24 @@ func (this *ItemTable) Load() {
 	this.itemIdHash = new(q5.ConcurrentMap[int64, *Item])
 }
 
+func (this *ItemTable) PostInit1() {
+	items := []*struct {
+		Id int32 `json:"id"`
+		Name int32 `json:"name"`
+		Type int32 `json:"type"`
+		SubType int32 `json:"sub_type"`
+	}{}
+	this.Traverse(
+		func (ele *Item) bool {
+			if ele.GetType() == jccommon.ITEM_TYPE_HERO ||
+				ele.GetType() == jccommon.ITEM_TYPE_GOLD_BULLION {
+				p := q5.NewSliceElement(&items)
+				p.Id = ele.GetId()
+			}
+			return true
+		})
+}
+
 func (this *ItemTable) Search(name string, itemIds map[int32]int32) {
 	name = strings.ToLower(name)
 	this.Traverse(
diff --git a/server/marketserver/mt/go.mod b/server/marketserver/mt/go.mod
index 53d319d6..62f32606 100644
--- a/server/marketserver/mt/go.mod
+++ b/server/marketserver/mt/go.mod
@@ -5,10 +5,12 @@ go 1.20
 require q5 v1.0.0
 require f5 v1.0.0
 require mtb v1.0.0
+require jccommon v1.0.0
 
 require (
 )
 
 replace q5 => ../../../third_party/q5
 replace f5 => ../../../third_party/f5
+replace jccommon => ../../jccommon
 replace mtb => ../mtb
\ No newline at end of file
diff --git a/server/marketserver/mtb/mtb.auto_gen.go b/server/marketserver/mtb/mtb.auto_gen.go
index 8efa0238..7c26d819 100644
--- a/server/marketserver/mtb/mtb.auto_gen.go
+++ b/server/marketserver/mtb/mtb.auto_gen.go
@@ -57,6 +57,8 @@ type Config struct {
 type Item struct {
         name string
         id int32
+        type_ int32
+        sub_type int32
 
         _flags1_ uint64
         _flags2_ uint64
@@ -253,6 +255,22 @@ func (this *Item) HasId() bool {
         return (this._flags1_ & (uint64(1) << 2)) > 0
 }
 
+func (this *Item) GetType() int32 {
+        return this.type_
+}
+
+func (this *Item) HasType() bool {
+        return (this._flags1_ & (uint64(1) << 3)) > 0
+}
+
+func (this *Item) GetSubType() int32 {
+        return this.sub_type
+}
+
+func (this *Item) HasSubType() bool {
+        return (this._flags1_ & (uint64(1) << 4)) > 0
+}
+
 func (this *Contract) GetName() string {
         return this.name
 }
@@ -316,6 +334,8 @@ func (this *Config) LoadFromKv(kv map[string]interface{}) {
 func (this *Item) LoadFromKv(kv map[string]interface{}) {
         f5.ReadMetaTableField(&this.name, "name", &this._flags1_, 1, kv)
         f5.ReadMetaTableField(&this.id, "id", &this._flags1_, 2, kv)
+        f5.ReadMetaTableField(&this.type_, "type", &this._flags1_, 3, kv)
+        f5.ReadMetaTableField(&this.sub_type, "sub_type", &this._flags1_, 4, kv)
 }
 
 func (this *Contract) LoadFromKv(kv map[string]interface{}) {
diff --git a/server/marketserver/proto/mt.proto b/server/marketserver/proto/mt.proto
index 4871a69a..ea186862 100644
--- a/server/marketserver/proto/mt.proto
+++ b/server/marketserver/proto/mt.proto
@@ -46,6 +46,8 @@ message Item
 {
     optional string name = 1;
     optional int32 id = 2;
+    optional int32 type = 3;
+    optional int32 sub_type = 4;
 }
 
 message Contract
diff --git a/tools/pbtools/app.js b/tools/pbtools/app.js
index ac9916e5..63d95749 100644
--- a/tools/pbtools/app.js
+++ b/tools/pbtools/app.js
@@ -343,7 +343,8 @@ import (
         (
           (item2, index) =>  {
             assert(item2.id <= 127);
-            data += `        ${item2.name} ` + this.dumpClassField(item, item2, index) + `\n`;
+            const newFieldName = this.keyWordReplace(item2.name);
+            data += `        ${newFieldName} ` + this.dumpClassField(item, item2, index) + `\n`;
           }
         );
         data += `
@@ -363,7 +364,8 @@ import (
             const newName = this.converUpperCamelCaseName(item2.name);
             data += `func (this *${item.name}) Get${newName}() ` +
               this.dumpClassField(item, item2, index) + ` {\n`;
-            data += `        return this.${item2.name}\n`;
+            const newFieldName = this.keyWordReplace(item2.name);
+            data += `        return this.${newFieldName}\n`;
             data += `}\n\n`;
             data += `func (this *${item.name}) Has${newName}() bool {\n`;
             if (item2.id < 64) {
@@ -384,10 +386,11 @@ func (this *${item.name}) LoadFromKv(kv map[string]interface{}) {
         item.fieldsArray.forEach
         (
           (item2, index) => {
+            const newFieldName = this.keyWordReplace(item2.name);
             if (item2.id < 64) {
-              data += `        f5.ReadMetaTableField(&this.${item2.name}, "${item2.name}", &this._flags1_, ${item2.id}, kv)\n`;
+              data += `        f5.ReadMetaTableField(&this.${newFieldName}, "${item2.name}", &this._flags1_, ${item2.id}, kv)\n`;
             } else {
-              data += `        f5.ReadMetaTableField(&this.${item2.name}, "${item2.name}", &this._flags2_, ${item2.id} - 64, kv)\n`;
+              data += `        f5.ReadMetaTableField(&this.${newFieldName}, "${item2.name}", &this._flags2_, ${item2.id} - 64, kv)\n`;
             }
           }
         );
@@ -455,6 +458,17 @@ func (this *${item.name}) LoadFromKv(kv map[string]interface{}) {
     return newName;
   }
 
+  keyWordReplace(name) {
+    const keyWords = {
+      "type": 1
+    };
+    if (keyWords[name]) {
+      return name + "_";
+    } else {
+      return name;
+    }
+  }
+
 }
 
 (new PBTools).init();