diff --git a/src/main/java/com/ffii/fpsms/m18/service/M18TokenService.kt b/src/main/java/com/ffii/fpsms/m18/service/M18TokenService.kt
index b4e51b8..9efb249 100644
--- a/src/main/java/com/ffii/fpsms/m18/service/M18TokenService.kt
+++ b/src/main/java/com/ffii/fpsms/m18/service/M18TokenService.kt
@@ -15,7 +15,7 @@ open class M18TokenService(
     private val m18Config: M18Config
 ) {
 
-    @Bean
+    @PostConstruct
      fun run() {
 //        val params: MutableMap<String, String> = mutableMapOf(
 //            "grant_type" to m18Config.GRANT_TYPE,
diff --git a/src/main/java/com/ffii/fpsms/modules/master/entity/Items.kt b/src/main/java/com/ffii/fpsms/modules/master/entity/Items.kt
index 3213d25..7d1df01 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/entity/Items.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/entity/Items.kt
@@ -53,5 +53,5 @@ open class Items : BaseEntity<Long>() {
 
     @JsonManagedReference
     @OneToOne(mappedBy = "item", cascade = [CascadeType.ALL], orphanRemoval = true)
-    open var bom: Bom = Bom()
+    open var bom: Bom? = null
 }
\ No newline at end of file