diff --git a/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt b/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
index a65c1c1..e611171 100644
--- a/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
+++ b/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
@@ -38,9 +38,14 @@
         entryModels: List<LineChartEntryModel>
     ) {
         val lineDataSets: MutableList<ILineDataSet> = ArrayList()
+        val entrySize = entryModels[0].entryList!!.size
         entryModels.forEachIndexed { index, it ->
             //设置数据
-            val dataSet = LineDataSet(it.entryList, it.entryList?.get(index)?.data.toString())
+            val dataSet = if (entrySize == 1) {
+                LineDataSet(it.entryList, it.entryList?.get(0)?.data.toString())
+            } else {
+                LineDataSet(it.entryList, it.entryList?.get(index)?.data.toString())
+            }
             dataSet.setDrawCircles(true)
             //线条颜色
             dataSet.color = it.lineColor
@@ -60,9 +65,17 @@
         chart.marker = markerView
         //设置X轴坐标
         val xAxis = chart.xAxis
-        xAxis.valueFormatter = object : ValueFormatter() {
-            override fun getFormattedValue(value: Float): String {
-                return xAxisDate[value.toInt()]
+        xAxis.valueFormatter = if (entrySize == 1) {
+            object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    return xAxisDate[0]
+                }
+            }
+        } else {
+            object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    return xAxisDate[value.toInt()]
+                }
             }
         }
         chart.data = lineData

diff --git a/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt b/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
index a65c1c1..e611171 100644
--- a/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
+++ b/app/src/main/java/com/casic/qd/smartwell/utils/ChartViewHelper.kt
@@ -38,9 +38,14 @@
         entryModels: List<LineChartEntryModel>
     ) {
         val lineDataSets: MutableList<ILineDataSet> = ArrayList()
+        val entrySize = entryModels[0].entryList!!.size
         entryModels.forEachIndexed { index, it ->
             //设置数据
-            val dataSet = LineDataSet(it.entryList, it.entryList?.get(index)?.data.toString())
+            val dataSet = if (entrySize == 1) {
+                LineDataSet(it.entryList, it.entryList?.get(0)?.data.toString())
+            } else {
+                LineDataSet(it.entryList, it.entryList?.get(index)?.data.toString())
+            }
             dataSet.setDrawCircles(true)
             //线条颜色
             dataSet.color = it.lineColor
@@ -60,9 +65,17 @@
         chart.marker = markerView
         //设置X轴坐标
         val xAxis = chart.xAxis
-        xAxis.valueFormatter = object : ValueFormatter() {
-            override fun getFormattedValue(value: Float): String {
-                return xAxisDate[value.toInt()]
+        xAxis.valueFormatter = if (entrySize == 1) {
+            object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    return xAxisDate[0]
+                }
+            }
+        } else {
+            object : ValueFormatter() {
+                override fun getFormattedValue(value: Float): String {
+                    return xAxisDate[value.toInt()]
+                }
             }
         }
         chart.data = lineData
diff --git a/app/src/main/java/com/casic/qd/smartwell/view/MainActivity.kt b/app/src/main/java/com/casic/qd/smartwell/view/MainActivity.kt
index d2ad38f..ae2531b 100644
--- a/app/src/main/java/com/casic/qd/smartwell/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/qd/smartwell/view/MainActivity.kt
@@ -126,8 +126,7 @@
 
         //初始化折线图，X轴从0开始
         val time = System.currentTimeMillis()
-//        val startDate = time.timestampToLastWeekDate()
-        val startDate = time.timestampToDate()
+        val startDate = time.timestampToLastWeekDate()
         val endDate = time.timestampToDate()
         waterLineChart.init()
         //一周折线图数据