diff --git a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
index e9e302a..85b8f51 100644
--- a/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
+++ b/duckling-fork-chinese/core/src/main/scala/com/xiaomi/duckling/dimension/time/Rules.scala
@@ -186,6 +186,7 @@ trait Rules extends DimRules {
       val form = (td1.form, td2.form) match {
         case (Some(PartOfDay(_)), Some(tod: TimeOfDay)) => Some(tod.copy(is12H = false))
         case (Some(DayOfWeek), Some(_: TimeOfDay)) => td2.form
+        case (None, _) => td2.form
         case _ => None
       }
       // 10号八点，需要去掉AMPM (今天是10号9点时，不应再出20点)
diff --git a/duckling-fork-chinese/core/src/test/scala/com/xiaomi/duckling/dimension/time/FormTest.scala b/duckling-fork-chinese/core/src/test/scala/com/xiaomi/duckling/dimension/time/FormTest.scala
index 7751967..0b909d8 100644
--- a/duckling-fork-chinese/core/src/test/scala/com/xiaomi/duckling/dimension/time/FormTest.scala
+++ b/duckling-fork-chinese/core/src/test/scala/com/xiaomi/duckling/dimension/time/FormTest.scala
@@ -3,27 +3,30 @@ package com.xiaomi.duckling.dimension.time
 import com.xiaomi.duckling.{Api, UnitSpec}
 import com.xiaomi.duckling.dimension.implicits._
 import com.xiaomi.duckling.dimension.time.form.{Form, PartOfDay, TimeOfDay}
+import com.xiaomi.duckling.dimension.time.repeat.{Repeat, RepeatData}
 import com.xiaomi.duckling.ranking.Testing
 
 class FormTest extends UnitSpec {
   describe("Form") {
 
     val cases = Table[String, Option[Form]](("query", "form")
+      , ("每个月五号的早上", PartOfDay("早上"))
+      , ("23号8点", TimeOfDay(8, true))
       , ("23号上午8点", TimeOfDay(8, false))
       , ("8点", TimeOfDay(8, true))
       , ("上午8点", TimeOfDay(8, false))
-      , ("23号8点", None)
       , ("23号上午", PartOfDay("上午"))
       , ("明天上午", PartOfDay("上午"))
     )
 
     it("form test") {
       forEvery(cases) { (query, form) =>
-        val answers = Api.analyze(query, Testing.testContext, Testing.testOptions.copy(targets = Set(Time)))
+        val answers = Api.analyze(query, Testing.testContext, Testing.testOptions.copy(targets = Set(Time, Repeat)))
         answers should not be empty
-        answers.head.token.node.token.data shouldBe a[TimeData]
-        val tv = answers.head.token.node.token.data.asInstanceOf[TimeData]
-        tv.form shouldBe form
+        answers.head.token.node.token.data match {
+          case td: TimeData => td.form shouldBe form
+          case repeat: RepeatData => repeat.start.get.form shouldBe form
+        }
       }
     }
   }