diff --git a/das/src/main/java/com/das/modules/calc/functions/FunctionBeginOfDate.java b/das/src/main/java/com/das/modules/calc/functions/FunctionBeginOfDate.java
new file mode 100644
index 00000000..e8b03aa7
--- /dev/null
+++ b/das/src/main/java/com/das/modules/calc/functions/FunctionBeginOfDate.java
@@ -0,0 +1,52 @@
+package com.das.modules.calc.functions;
+
+import cn.hutool.core.date.DateUtil;
+import com.googlecode.aviator.runtime.function.AbstractFunction;
+import com.googlecode.aviator.runtime.type.AviatorObject;
+import com.googlecode.aviator.runtime.type.AviatorRuntimeJavaType;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Date;
+import java.util.Map;
+
+/**
+ * Aviator扩展函数  - 获取时间维度的起始时间
+ * 函数格式: beginOf(Date, TimeDim)
+ *
+ */
+@Slf4j
+public class FunctionBeginOfDate extends AbstractFunction {
+
+    public FunctionBeginOfDate() {
+    }
+
+    @Override
+    public String getName() {
+        return "beginOfDate";
+    }
+
+    @Override
+    public AviatorObject call(Map<String, Object> env, AviatorObject dateData, AviatorObject dimData) {
+        Date date = (Date) dateData.getValue(env);
+        String dim = (String) dimData.getValue(env);
+
+        Date result = null;
+        switch (dim) {
+            case "day":
+                result = DateUtil.beginOfDay(date);
+                break;
+            case "week":
+                result = DateUtil.beginOfWeek(date);
+                break;
+            case "month":
+                result = DateUtil.beginOfMonth(date);
+                break;
+            case "year":
+                result = DateUtil.beginOfYear(date);
+                break;
+            default:
+                log.error("不支持的维度: {}", dim);
+        }
+        return AviatorRuntimeJavaType.valueOf(result);
+    }
+}
diff --git a/das/src/main/java/com/das/modules/calc/functions/FunctionEndOfDate.java b/das/src/main/java/com/das/modules/calc/functions/FunctionEndOfDate.java
new file mode 100644
index 00000000..8d1050ba
--- /dev/null
+++ b/das/src/main/java/com/das/modules/calc/functions/FunctionEndOfDate.java
@@ -0,0 +1,52 @@
+package com.das.modules.calc.functions;
+
+import cn.hutool.core.date.DateUtil;
+import com.googlecode.aviator.runtime.function.AbstractFunction;
+import com.googlecode.aviator.runtime.type.AviatorObject;
+import com.googlecode.aviator.runtime.type.AviatorRuntimeJavaType;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Date;
+import java.util.Map;
+
+/**
+ * Aviator扩展函数  - 获取时间维度的起始时间
+ * 函数格式: beginOf(Date, TimeDim)
+ *
+ */
+@Slf4j
+public class FunctionEndOfDate extends AbstractFunction {
+
+    public FunctionEndOfDate() {
+    }
+
+    @Override
+    public String getName() {
+        return "endOfDate";
+    }
+
+    @Override
+    public AviatorObject call(Map<String, Object> env, AviatorObject dateData, AviatorObject dimData) {
+        Date date = (Date) dateData.getValue(env);
+        String dim = (String) dimData.getValue(env);
+
+        Date result = null;
+        switch (dim) {
+            case "day":
+                result = DateUtil.endOfDay(date);
+                break;
+            case "week":
+                result = DateUtil.endOfWeek(date);
+                break;
+            case "month":
+                result = DateUtil.endOfMonth(date);
+                break;
+            case "year":
+                result = DateUtil.endOfYear(date);
+                break;
+            default:
+                log.error("不支持的维度: {}", dim);
+        }
+        return AviatorRuntimeJavaType.valueOf(result);
+    }
+}
diff --git a/das/src/main/java/com/das/modules/calc/service/CalcService.java b/das/src/main/java/com/das/modules/calc/service/CalcService.java
index 2e8e3da6..af47fab7 100644
--- a/das/src/main/java/com/das/modules/calc/service/CalcService.java
+++ b/das/src/main/java/com/das/modules/calc/service/CalcService.java
@@ -6,10 +6,7 @@ import com.das.common.utils.AdminRedisTemplate;
 import com.das.modules.cache.service.CacheService;
 import com.das.modules.calc.domain.entity.CalcModule;
 import com.das.modules.calc.domain.vo.CalcModuleVo;
-import com.das.modules.calc.functions.FunctionCacheValue;
-import com.das.modules.calc.functions.FunctionRealData;
-import com.das.modules.calc.functions.FunctionSaveCalcData;
-import com.das.modules.calc.functions.FunctionSumValue;
+import com.das.modules.calc.functions.*;
 import com.das.modules.calc.mapper.CalcModuleMapper;
 import com.das.modules.data.service.DataService;
 import com.googlecode.aviator.AviatorEvaluator;
@@ -125,6 +122,12 @@ public class CalcService {
 
         FunctionSumValue sumv = new FunctionSumValue(dataService, cacheService);
         aviator.addFunction(sumv);
+
+        FunctionBeginOfDate beginOfDate = new FunctionBeginOfDate();
+        aviator.addFunction(beginOfDate);
+
+        FunctionEndOfDate endOfDate = new FunctionEndOfDate();
+        aviator.addFunction(endOfDate);
     }
 
     /**