diff --git a/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/daoimpl/SysLogSystemDaoImpl.java b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/daoimpl/SysLogSystemDaoImpl.java
new file mode 100644
index 0000000..4b9da59
--- /dev/null
+++ b/modules/i3plus-core-apiservice/src/main/java/cn/estsh/i3plus/core/apiservice/daoimpl/SysLogSystemDaoImpl.java
@@ -0,0 +1,106 @@
+package cn.estsh.i3plus.core.apiservice.daoimpl;
+
+import cn.estsh.i3plus.core.apiservice.dao.ISysLogSystemDao;
+import cn.estsh.i3plus.platform.common.tool.StringTool;
+import cn.estsh.i3plus.pojo.platform.bean.SysLogOperate;
+import cn.estsh.i3plus.pojo.platform.bean.SysLogSystem;
+import com.alibaba.fastjson.JSONObject;
+import com.mongodb.Block;
+import com.mongodb.client.AggregateIterable;
+import com.mongodb.client.MongoCursor;
+import io.swagger.annotations.ApiOperation;
+import org.apache.jasper.tagplugins.jstl.core.ForEach;
+import org.bson.Document;
+import org.bson.json.JsonMode;
+import org.bson.json.JsonWriterSettings;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.MongoDbFactory;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @Description :
+ * @Reference :
+ * @Author : yunhao
+ * @CreateDate : 2018-12-11 13:24
+ * @Modify:
+ **/
+@Service
+public class SysLogSystemDaoImpl implements ISysLogSystemDao {
+
+    public static final Logger LOGGER = LoggerFactory.getLogger(SysLogSystemDaoImpl.class);
+
+    @Autowired
+    private MongoDbFactory mongoDbFactory;
+
+    @Override
+    @ApiOperation(value = "查询时间段内平均请求耗时")
+    public Map<String, Object> querySysLogOperateAvgExecuteTime(String startTime, String endTime) {
+        List<String> dList = new ArrayList<>();
+        Block<Document> saveBlock = new Block<Document>() {
+            @Override
+            public void apply(final Document document) {
+                dList.add(document.toJson());
+            }
+        };
+
+        Document sub_match = new Document();
+        sub_match.put("leaveTime", new Document("$gte", startTime).append("$lte", endTime));
+
+
+        Document sub_substr = new Document();
+        sub_substr.put("$substr", new Object[]{"$createDatetime", 0, 16});
+
+
+        Document sub_project = new Document();
+        sub_project.put("new_time_stamp", sub_substr);
+        sub_project.put("executeTime", 1);
+
+        Document sub_group = new Document();
+        sub_group.put("_id", "createDatetime");
+        sub_group.put("avg", new Document("$avg", "$executeTime"));
+
+
+        Document match = new Document("$match", sub_match);
+        Document project = new Document("$project", sub_project);
+        Document group = new Document("$group", sub_group);
+        Document sort = new Document("$sort", new Document("_id", 1));
+
+        List<Document> aggregateList = new ArrayList<>();
+        aggregateList.add(match);
+//        aggregateList.add(project);
+        aggregateList.add(group);
+        aggregateList.add(sort);
+
+        AggregateIterable<Document> findIter = mongoDbFactory.getDb()
+                .getCollection(StringTool.toLowerCaseFirstOne(SysLogSystem.class.getSimpleName()))
+                .aggregate(aggregateList);
+        MongoCursor<Document> cursor = findIter.iterator();
+        while (cursor.hasNext()) {
+            Document item_doc = cursor.next();
+            int _id = item_doc.getInteger("_id", 0);
+            int avg = item_doc.getInteger("avg", 0);
+            System.out.println("_id：" + _id + "abg：" + avg);
+        }
+
+        return packObjectListFromDocument(dList);
+    }
+
+
+    private Map<String, Object> packObjectListFromDocument(List<String> dList) {
+        //将获取的document转为对象
+        List<SysLogOperate> resultList = new ArrayList<>();
+        // 设置为宽松模式
+        JsonWriterSettings jsonWriterSettings = JsonWriterSettings.builder().outputMode(JsonMode.RELAXED).build();
+        for (String d : dList) {
+            resultList.add(JSONObject.parseObject(d, SysLogOperate.class));
+        }
+        
+        return null;
+    }
+}