diff --git a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
index 6a895ce..32c1356 100644
--- a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
@@ -27,6 +27,7 @@
 import com.casic.br.ktd.model.DeviceListModel
 import com.casic.br.ktd.model.TaskListModel
 import com.casic.br.ktd.model.VehicleListModel
+import com.casic.br.ktd.utils.DateType
 import com.casic.br.ktd.utils.LocaleConstant
 import com.casic.br.ktd.vm.DeviceViewModel
 import com.casic.br.ktd.vm.TaskViewModel
@@ -102,15 +103,17 @@
 
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
         val time = System.currentTimeMillis()
-        taskViewModel.getTaskCount(time.timestampToLastMonthDate()!!, time.timestampToDate(), "")
+        taskViewModel.getTaskCount(
+            time.timestampToLastMonthDate()!!, time.timestampToDate(), DateType.MONTH
+        )
         taskViewModel.taskCountModel.observe(this) {
             if (it.code == 200) {
                 binding.monthTaskCountView.text = it.data.taskCount.toString()
                 binding.monthTaskDistanceView.text = it.data.km.toString()
             }
         }
-        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), "")
-        taskViewModel.taskCountModel.observe(this) {
+        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), DateType.DAY)
+        taskViewModel.dayTaskModel.observe(this) {
             if (it.code == 200) {
                 binding.dayTaskCountView.text = it.data.taskCount.toString()
                 binding.dayTaskDistanceView.text = it.data.km.toString()

diff --git a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
index 6a895ce..32c1356 100644
--- a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
@@ -27,6 +27,7 @@
 import com.casic.br.ktd.model.DeviceListModel
 import com.casic.br.ktd.model.TaskListModel
 import com.casic.br.ktd.model.VehicleListModel
+import com.casic.br.ktd.utils.DateType
 import com.casic.br.ktd.utils.LocaleConstant
 import com.casic.br.ktd.vm.DeviceViewModel
 import com.casic.br.ktd.vm.TaskViewModel
@@ -102,15 +103,17 @@
 
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
         val time = System.currentTimeMillis()
-        taskViewModel.getTaskCount(time.timestampToLastMonthDate()!!, time.timestampToDate(), "")
+        taskViewModel.getTaskCount(
+            time.timestampToLastMonthDate()!!, time.timestampToDate(), DateType.MONTH
+        )
         taskViewModel.taskCountModel.observe(this) {
             if (it.code == 200) {
                 binding.monthTaskCountView.text = it.data.taskCount.toString()
                 binding.monthTaskDistanceView.text = it.data.km.toString()
             }
         }
-        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), "")
-        taskViewModel.taskCountModel.observe(this) {
+        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), DateType.DAY)
+        taskViewModel.dayTaskModel.observe(this) {
             if (it.code == 200) {
                 binding.dayTaskCountView.text = it.data.taskCount.toString()
                 binding.dayTaskDistanceView.text = it.data.km.toString()
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
deleted file mode 100644
index 71ecaa0..0000000
--- a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.casic.br.ktd.model;
-
-public class TaskCountModel {
-
-    private Integer code;
-    private DataModel data;
-    private String message;
-
-    public Integer getCode() {
-        return code;
-    }
-
-    public void setCode(Integer code) {
-        this.code = code;
-    }
-
-    public DataModel getData() {
-        return data;
-    }
-
-    public void setData(DataModel data) {
-        this.data = data;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public static class DataModel {
-        private Integer taskCount;
-        private Double km;
-
-        public Integer getTaskCount() {
-            return taskCount;
-        }
-
-        public void setTaskCount(Integer taskCount) {
-            this.taskCount = taskCount;
-        }
-
-        public Double getKm() {
-            return km;
-        }
-
-        public void setKm(Double km) {
-            this.km = km;
-        }
-    }
-}

diff --git a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
index 6a895ce..32c1356 100644
--- a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
@@ -27,6 +27,7 @@
 import com.casic.br.ktd.model.DeviceListModel
 import com.casic.br.ktd.model.TaskListModel
 import com.casic.br.ktd.model.VehicleListModel
+import com.casic.br.ktd.utils.DateType
 import com.casic.br.ktd.utils.LocaleConstant
 import com.casic.br.ktd.vm.DeviceViewModel
 import com.casic.br.ktd.vm.TaskViewModel
@@ -102,15 +103,17 @@
 
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
         val time = System.currentTimeMillis()
-        taskViewModel.getTaskCount(time.timestampToLastMonthDate()!!, time.timestampToDate(), "")
+        taskViewModel.getTaskCount(
+            time.timestampToLastMonthDate()!!, time.timestampToDate(), DateType.MONTH
+        )
         taskViewModel.taskCountModel.observe(this) {
             if (it.code == 200) {
                 binding.monthTaskCountView.text = it.data.taskCount.toString()
                 binding.monthTaskDistanceView.text = it.data.km.toString()
             }
         }
-        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), "")
-        taskViewModel.taskCountModel.observe(this) {
+        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), DateType.DAY)
+        taskViewModel.dayTaskModel.observe(this) {
             if (it.code == 200) {
                 binding.dayTaskCountView.text = it.data.taskCount.toString()
                 binding.dayTaskDistanceView.text = it.data.km.toString()
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
deleted file mode 100644
index 71ecaa0..0000000
--- a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.casic.br.ktd.model;
-
-public class TaskCountModel {
-
-    private Integer code;
-    private DataModel data;
-    private String message;
-
-    public Integer getCode() {
-        return code;
-    }
-
-    public void setCode(Integer code) {
-        this.code = code;
-    }
-
-    public DataModel getData() {
-        return data;
-    }
-
-    public void setData(DataModel data) {
-        this.data = data;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public static class DataModel {
-        private Integer taskCount;
-        private Double km;
-
-        public Integer getTaskCount() {
-            return taskCount;
-        }
-
-        public void setTaskCount(Integer taskCount) {
-            this.taskCount = taskCount;
-        }
-
-        public Double getKm() {
-            return km;
-        }
-
-        public void setKm(Double km) {
-            this.km = km;
-        }
-    }
-}
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
new file mode 100644
index 0000000..5940483
--- /dev/null
+++ b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
@@ -0,0 +1,53 @@
+package com.casic.br.ktd.model;
+
+public class TaskStatisticsModel {
+
+    private Integer code;
+    private DataModel data;
+    private String message;
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public void setCode(Integer code) {
+        this.code = code;
+    }
+
+    public DataModel getData() {
+        return data;
+    }
+
+    public void setData(DataModel data) {
+        this.data = data;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public static class DataModel {
+        private Integer taskCount;
+        private Double km;
+
+        public Integer getTaskCount() {
+            return taskCount;
+        }
+
+        public void setTaskCount(Integer taskCount) {
+            this.taskCount = taskCount;
+        }
+
+        public Double getKm() {
+            return km;
+        }
+
+        public void setKm(Double km) {
+            this.km = km;
+        }
+    }
+}

diff --git a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
index 6a895ce..32c1356 100644
--- a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
@@ -27,6 +27,7 @@
 import com.casic.br.ktd.model.DeviceListModel
 import com.casic.br.ktd.model.TaskListModel
 import com.casic.br.ktd.model.VehicleListModel
+import com.casic.br.ktd.utils.DateType
 import com.casic.br.ktd.utils.LocaleConstant
 import com.casic.br.ktd.vm.DeviceViewModel
 import com.casic.br.ktd.vm.TaskViewModel
@@ -102,15 +103,17 @@
 
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
         val time = System.currentTimeMillis()
-        taskViewModel.getTaskCount(time.timestampToLastMonthDate()!!, time.timestampToDate(), "")
+        taskViewModel.getTaskCount(
+            time.timestampToLastMonthDate()!!, time.timestampToDate(), DateType.MONTH
+        )
         taskViewModel.taskCountModel.observe(this) {
             if (it.code == 200) {
                 binding.monthTaskCountView.text = it.data.taskCount.toString()
                 binding.monthTaskDistanceView.text = it.data.km.toString()
             }
         }
-        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), "")
-        taskViewModel.taskCountModel.observe(this) {
+        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), DateType.DAY)
+        taskViewModel.dayTaskModel.observe(this) {
             if (it.code == 200) {
                 binding.dayTaskCountView.text = it.data.taskCount.toString()
                 binding.dayTaskDistanceView.text = it.data.km.toString()
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
deleted file mode 100644
index 71ecaa0..0000000
--- a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.casic.br.ktd.model;
-
-public class TaskCountModel {
-
-    private Integer code;
-    private DataModel data;
-    private String message;
-
-    public Integer getCode() {
-        return code;
-    }
-
-    public void setCode(Integer code) {
-        this.code = code;
-    }
-
-    public DataModel getData() {
-        return data;
-    }
-
-    public void setData(DataModel data) {
-        this.data = data;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public static class DataModel {
-        private Integer taskCount;
-        private Double km;
-
-        public Integer getTaskCount() {
-            return taskCount;
-        }
-
-        public void setTaskCount(Integer taskCount) {
-            this.taskCount = taskCount;
-        }
-
-        public Double getKm() {
-            return km;
-        }
-
-        public void setKm(Double km) {
-            this.km = km;
-        }
-    }
-}
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
new file mode 100644
index 0000000..5940483
--- /dev/null
+++ b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
@@ -0,0 +1,53 @@
+package com.casic.br.ktd.model;
+
+public class TaskStatisticsModel {
+
+    private Integer code;
+    private DataModel data;
+    private String message;
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public void setCode(Integer code) {
+        this.code = code;
+    }
+
+    public DataModel getData() {
+        return data;
+    }
+
+    public void setData(DataModel data) {
+        this.data = data;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public static class DataModel {
+        private Integer taskCount;
+        private Double km;
+
+        public Integer getTaskCount() {
+            return taskCount;
+        }
+
+        public void setTaskCount(Integer taskCount) {
+            this.taskCount = taskCount;
+        }
+
+        public Double getKm() {
+            return km;
+        }
+
+        public void setKm(Double km) {
+            this.km = km;
+        }
+    }
+}
diff --git a/app/src/main/java/com/casic/br/ktd/utils/DateType.kt b/app/src/main/java/com/casic/br/ktd/utils/DateType.kt
new file mode 100644
index 0000000..f94b10c
--- /dev/null
+++ b/app/src/main/java/com/casic/br/ktd/utils/DateType.kt
@@ -0,0 +1,18 @@
+package com.casic.br.ktd.utils
+
+sealed class DateType {
+    /**
+     * 天
+     */
+    object DAY : DateType()
+
+    /**
+     * 周
+     */
+    object WEEK : DateType()
+
+    /**
+     * 月
+     */
+    object MONTH : DateType()
+}

diff --git a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
index 6a895ce..32c1356 100644
--- a/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
+++ b/app/src/main/java/com/casic/br/ktd/fragment/HomePageFragment.kt
@@ -27,6 +27,7 @@
 import com.casic.br.ktd.model.DeviceListModel
 import com.casic.br.ktd.model.TaskListModel
 import com.casic.br.ktd.model.VehicleListModel
+import com.casic.br.ktd.utils.DateType
 import com.casic.br.ktd.utils.LocaleConstant
 import com.casic.br.ktd.vm.DeviceViewModel
 import com.casic.br.ktd.vm.TaskViewModel
@@ -102,15 +103,17 @@
 
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
         val time = System.currentTimeMillis()
-        taskViewModel.getTaskCount(time.timestampToLastMonthDate()!!, time.timestampToDate(), "")
+        taskViewModel.getTaskCount(
+            time.timestampToLastMonthDate()!!, time.timestampToDate(), DateType.MONTH
+        )
         taskViewModel.taskCountModel.observe(this) {
             if (it.code == 200) {
                 binding.monthTaskCountView.text = it.data.taskCount.toString()
                 binding.monthTaskDistanceView.text = it.data.km.toString()
             }
         }
-        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), "")
-        taskViewModel.taskCountModel.observe(this) {
+        taskViewModel.getTaskCount(time.timestampToDate(), time.timestampToDate(), DateType.DAY)
+        taskViewModel.dayTaskModel.observe(this) {
             if (it.code == 200) {
                 binding.dayTaskCountView.text = it.data.taskCount.toString()
                 binding.dayTaskDistanceView.text = it.data.km.toString()
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
deleted file mode 100644
index 71ecaa0..0000000
--- a/app/src/main/java/com/casic/br/ktd/model/TaskCountModel.java
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.casic.br.ktd.model;
-
-public class TaskCountModel {
-
-    private Integer code;
-    private DataModel data;
-    private String message;
-
-    public Integer getCode() {
-        return code;
-    }
-
-    public void setCode(Integer code) {
-        this.code = code;
-    }
-
-    public DataModel getData() {
-        return data;
-    }
-
-    public void setData(DataModel data) {
-        this.data = data;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public static class DataModel {
-        private Integer taskCount;
-        private Double km;
-
-        public Integer getTaskCount() {
-            return taskCount;
-        }
-
-        public void setTaskCount(Integer taskCount) {
-            this.taskCount = taskCount;
-        }
-
-        public Double getKm() {
-            return km;
-        }
-
-        public void setKm(Double km) {
-            this.km = km;
-        }
-    }
-}
diff --git a/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
new file mode 100644
index 0000000..5940483
--- /dev/null
+++ b/app/src/main/java/com/casic/br/ktd/model/TaskStatisticsModel.java
@@ -0,0 +1,53 @@
+package com.casic.br.ktd.model;
+
+public class TaskStatisticsModel {
+
+    private Integer code;
+    private DataModel data;
+    private String message;
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public void setCode(Integer code) {
+        this.code = code;
+    }
+
+    public DataModel getData() {
+        return data;
+    }
+
+    public void setData(DataModel data) {
+        this.data = data;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public static class DataModel {
+        private Integer taskCount;
+        private Double km;
+
+        public Integer getTaskCount() {
+            return taskCount;
+        }
+
+        public void setTaskCount(Integer taskCount) {
+            this.taskCount = taskCount;
+        }
+
+        public Double getKm() {
+            return km;
+        }
+
+        public void setKm(Double km) {
+            this.km = km;
+        }
+    }
+}
diff --git a/app/src/main/java/com/casic/br/ktd/utils/DateType.kt b/app/src/main/java/com/casic/br/ktd/utils/DateType.kt
new file mode 100644
index 0000000..f94b10c
--- /dev/null
+++ b/app/src/main/java/com/casic/br/ktd/utils/DateType.kt
@@ -0,0 +1,18 @@
+package com.casic.br.ktd.utils
+
+sealed class DateType {
+    /**
+     * 天
+     */
+    object DAY : DateType()
+
+    /**
+     * 周
+     */
+    object WEEK : DateType()
+
+    /**
+     * 月
+     */
+    object MONTH : DateType()
+}
diff --git a/app/src/main/java/com/casic/br/ktd/vm/TaskViewModel.kt b/app/src/main/java/com/casic/br/ktd/vm/TaskViewModel.kt
index 31a146f..98e687b 100644
--- a/app/src/main/java/com/casic/br/ktd/vm/TaskViewModel.kt
+++ b/app/src/main/java/com/casic/br/ktd/vm/TaskViewModel.kt
@@ -5,10 +5,11 @@
 import com.casic.br.ktd.extensions.separateResponseCode
 import com.casic.br.ktd.extensions.toErrorMessage
 import com.casic.br.ktd.model.ActionResultModel
-import com.casic.br.ktd.model.TaskCountModel
 import com.casic.br.ktd.model.TaskDetailModel
 import com.casic.br.ktd.model.TaskListModel
+import com.casic.br.ktd.model.TaskStatisticsModel
 import com.casic.br.ktd.retrofit.RetrofitServiceManager
+import com.casic.br.ktd.utils.DateType
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
 import com.pengxh.kt.lite.extensions.launch
@@ -25,7 +26,8 @@
     val taskList = MutableLiveData<TaskListModel>()
     val addTaskResult = MutableLiveData<ActionResultModel>()
     val detailResult = MutableLiveData<TaskDetailModel>()
-    val taskCountModel = MutableLiveData<TaskCountModel>()
+    val taskCountModel = MutableLiveData<TaskStatisticsModel>()
+    val dayTaskModel = MutableLiveData<TaskStatisticsModel>()
 
     fun getTasksByPage(
         beginDate: String, endDate: String, taskName: String, taskCode: String, offset: Int
@@ -96,13 +98,19 @@
         loadState.value = LoadState.Fail
     })
 
-    fun getTaskCount(beginDate: String, endDate: String, timeType: String) = launch({
-        val response = RetrofitServiceManager.getTaskCount(beginDate, endDate, timeType)
+    fun getTaskCount(beginDate: String, endDate: String, type: DateType) = launch({
+        val response = RetrofitServiceManager.getTaskCount(beginDate, endDate, "")
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
-            taskCountModel.value = gson.fromJson<TaskCountModel>(
-                response, object : TypeToken<TaskCountModel>() {}.type
-            )
+            if (type == DateType.DAY) {
+                dayTaskModel.value = gson.fromJson<TaskStatisticsModel>(
+                    response, object : TypeToken<TaskStatisticsModel>() {}.type
+                )
+            } else {
+                taskCountModel.value = gson.fromJson<TaskStatisticsModel>(
+                    response, object : TypeToken<TaskStatisticsModel>() {}.type
+                )
+            }
         }
     }, {
         it.printStackTrace()