diff --git a/tang-commons/src/main/kotlin/com/tang/commons/kotlin/extensions/time/LocalDateTimeExtensions.kt b/tang-commons/src/main/kotlin/com/tang/commons/kotlin/extensions/time/LocalDateTimeExtensions.kt
new file mode 100644
index 00000000..78706283
--- /dev/null
+++ b/tang-commons/src/main/kotlin/com/tang/commons/kotlin/extensions/time/LocalDateTimeExtensions.kt
@@ -0,0 +1,11 @@
+package com.tang.commons.kotlin.extensions.time
+
+import java.time.LocalDateTime
+
+/**
+ * @author Tang
+ */
+
+val LocalDateTime.micro: Int get() = this.nano / 1000
+
+val LocalDateTime.milli: Int get() = this.nano / 1000 / 1000