diff --git a/build.gradle.kts b/build.gradle.kts
index e8070ad..a0e8894 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -123,7 +123,9 @@ tasks.withType<DokkaTask>().configureEach {
 
 // publish
 mavenPublishing {
-    coordinates("io.github.shawxingkwok", "kt-util", "1.0.0-SNAPSHOT")
+    val isSnapshot = false
+    val version = "1.0.0"
+    coordinates("io.github.shawxingkwok", "kt-util", if (isSnapshot) "$version-SNAPSHOT" else version)
     pom {
         val repo = "KtUtil"
         name.set(repo)
diff --git a/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Lazy.kt b/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Lazy.kt
index b593afc..87d4515 100755
--- a/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Lazy.kt
+++ b/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Lazy.kt
@@ -9,21 +9,21 @@ import kotlin.reflect.KProperty
  */
 public inline fun <T> fastLazy(crossinline initialize: () -> T): ReadWriteProperty<Any?, T> =
     object : ReadWriteProperty<Any?, T> {
-        var _value: Any? = null
+        var value: Any? = null
         var initialized = false
 
         override fun getValue(thisRef: Any?, property: KProperty<*>): T {
             if (!initialized){
                 initialized = true
-                _value = initialize()
+                value = initialize()
             }
 
             @Suppress("UNCHECKED_CAST")
-            return _value as T
+            return value as T
         }
 
         override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
-            _value = value
+            this.value = value
         }
     }
 
diff --git a/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Number.toOrder.kt b/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Number.toOrder.kt
index 908fb40..eb78ad1 100644
--- a/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Number.toOrder.kt
+++ b/src/commonMain/kotlin/pers/shawxingkwok/ktutil/Number.toOrder.kt
@@ -2,12 +2,18 @@ package pers.shawxingkwok.ktutil
 
 private fun Number.parseToOrder(): String{
     val str = toString()
-    val suffix = when(str.last()){
-        '1' -> "st"
-        '2' -> "nd"
-        '3' -> "rd"
-        else -> "th"
-    }
+
+    val suffix =
+        if (str.getOrNull(str.lastIndex - 1) == '1')
+            "th"
+        else
+            when(str.last()){
+                '1' -> "st"
+                '2' -> "nd"
+                '3' -> "rd"
+                else -> "th"
+            }
+
     return "$str$suffix"
 }
 
@@ -17,10 +23,10 @@ private fun Number.parseToOrder(): String{
  * Usage example:
  *
  * ```
- * 11.toShort().toOrder() // 11st
- * 12.toShort().toOrder() // 12nd
- * 13.toShort().toOrder() // 13rd
- * 14.toShort().toOrder() // 14th
+ * 21.toShort().toOrder() // 21st
+ * 32.toShort().toOrder() // 32nd
+ * 43.toShort().toOrder() // 43rd
+ * 54.toShort().toOrder() // 54th
  */
 public fun Short.toOrder(): String = parseToOrder()
 
@@ -30,10 +36,10 @@ public fun Short.toOrder(): String = parseToOrder()
  * Usage example:
  *
  * ```
- * 11.toOrder() // 11st
- * 12.toOrder() // 12nd
- * 13.toOrder() // 13rd
- * 14.toOrder() // 14th
+ * 21.toOrder() // 21st
+ * 32.toOrder() // 32nd
+ * 43.toOrder() // 43rd
+ * 54.toOrder() // 54th
  */
 public fun Int.toOrder(): String = parseToOrder()
 
@@ -42,9 +48,9 @@ public fun Int.toOrder(): String = parseToOrder()
  *
  * Usage example:
  * ```
- * 11L.toOrder() // 11st
- * 12L.toOrder() // 12nd
- * 13L.toOrder() // 13rd
- * 14L.toOrder() // 14th
+ * 21L.toOrder() // 21st
+ * 32L.toOrder() // 32nd
+ * 43L.toOrder() // 43rd
+ * 54L.toOrder() // 54th
  */
 public fun Long.toOrder(): String = parseToOrder()
\ No newline at end of file
diff --git a/src/commonTest/kotlin/AllTest.kt b/src/commonTest/kotlin/AllTest.kt
index b3c42b9..66ab100 100644
--- a/src/commonTest/kotlin/AllTest.kt
+++ b/src/commonTest/kotlin/AllTest.kt
@@ -1,6 +1,7 @@
 import pers.shawxingkwok.ktutil.KReadOnlyProperty
 import pers.shawxingkwok.ktutil.KReadWriteProperty
 import pers.shawxingkwok.ktutil.getOrPutNullable
+import pers.shawxingkwok.ktutil.toOrder
 import kotlin.reflect.KProperty
 import kotlin.test.Test
 
@@ -35,4 +36,15 @@ class AllTest {
         x = "Fp"
         println(31)
     }
+
+    @Test
+    fun testToOrder(){
+        1.toOrder().let(::println)
+        11.toOrder().let(::println)
+        21.toOrder().let(::println)
+
+        2.toOrder().let(::println)
+        12.toOrder().let(::println)
+        22.toOrder().let(::println)
+    }
 }
\ No newline at end of file