diff --git a/src/common/function/FunctionManager.cpp b/src/common/function/FunctionManager.cpp
index 061a41113d..4d0775e53b 100644
--- a/src/common/function/FunctionManager.cpp
+++ b/src/common/function/FunctionManager.cpp
@@ -251,7 +251,8 @@ std::unordered_map<std::string, std::vector<TypeSignature>> FunctionManager::typ
     {"date",
      {TypeSignature({}, Value::Type::DATE),
       TypeSignature({Value::Type::STRING}, Value::Type::DATE),
-      TypeSignature({Value::Type::MAP}, Value::Type::DATE)}},
+      TypeSignature({Value::Type::MAP}, Value::Type::DATE),
+      TypeSignature({Value::Type::INT}, Value::Type::DATE)}},
     {"datetime",
      {TypeSignature({}, Value::Type::DATETIME),
       TypeSignature({Value::Type::STRING}, Value::Type::DATETIME),
@@ -1820,6 +1821,8 @@ FunctionManager::FunctionManager() {
               return Value::kNullBadData;
             }
             return result.value();
+          } else if (args[0].get().isInt()) {
+            return time::TimeConversion::unixSecondsToDate(args[0].get().getInt());
           } else {
             return Value::kNullBadType;
           }
diff --git a/src/common/function/test/FunctionManagerTest.cpp b/src/common/function/test/FunctionManagerTest.cpp
index babb1ef8b4..7600909d94 100644
--- a/src/common/function/test/FunctionManagerTest.cpp
+++ b/src/common/function/test/FunctionManagerTest.cpp
@@ -583,6 +583,7 @@ TEST_F(FunctionManagerTest, time) {
     TEST_FUNCTION(
         date, {Map({{"year", 2020}, {"month", 12}, {"day", 31}})}, Value(Date(2020, 12, 31)));
   }
+  { TEST_FUNCTION(date, {573206400}, Value(Date(1988, 3, 1))); }
   // leap year February days
   {
     // 2020 is leap
@@ -1432,7 +1433,7 @@ TEST_F(FunctionManagerTest, returnType) {
   }
   // date
   {
-    auto result = FunctionManager::getReturnType("date", {Value::Type::INT});
+    auto result = FunctionManager::getReturnType("date", {Value::Type::FLOAT});
     ASSERT_FALSE(result.ok());
     EXPECT_EQ(result.status().toString(), "Parameter's type error");
   }