diff --git a/src/assets/css/common.scss b/src/assets/css/common.scss
index 716866eb..b80eb230 100644
--- a/src/assets/css/common.scss
+++ b/src/assets/css/common.scss
@@ -64,3 +64,9 @@ th *:first-letter,
 .el-table__empty-block {
   width: 100% !important;
 }
+
+/* 淡化amcharts的logo */
+g [aria-labelledby$=-title] {
+  opacity: 0.1;
+  transform: translate(calc(100% - 76px), calc(100% - 25px));
+}
diff --git a/src/components/amcharts/heatLegend.js b/src/components/amcharts/heatLegend.js
new file mode 100644
index 00000000..b112ccca
--- /dev/null
+++ b/src/components/amcharts/heatLegend.js
@@ -0,0 +1,485 @@
+/**
+ * HeatLegend module
+ */
+import { __extends } from 'tslib'
+/**
+ * ============================================================================
+ * IMPORTS
+ * ============================================================================
+ * @hidden
+ */
+import { Container } from '@amcharts/amcharts4/.internal/core/Container'
+import { LinearGradient } from '@amcharts/amcharts4/.internal/core/rendering/fills/LinearGradient'
+import { registry } from '@amcharts/amcharts4/.internal/core/Registry'
+import { toColor, Color } from '@amcharts/amcharts4/.internal/core/utils/Color'
+import { ListTemplate, ListDisposer } from '@amcharts/amcharts4/.internal/core/utils/List'
+import { percent } from '@amcharts/amcharts4/.internal/core/utils/Percent'
+import { ValueAxis } from '@amcharts/amcharts4/.internal/charts/axes/ValueAxis'
+import { AxisRendererX } from '@amcharts/amcharts4/.internal/charts/axes/AxisRendererX'
+import { AxisRendererY } from '@amcharts/amcharts4/.internal/charts/axes/AxisRendererY'
+import * as $iter from '@amcharts/amcharts4/.internal/core/utils/Iterator'
+import * as $type from '@amcharts/amcharts4/.internal/core/utils/Type'
+import * as $colors from '@amcharts/amcharts4/.internal/core/utils/Colors'
+import { RoundedRectangle } from '@amcharts/amcharts4/.internal/core/elements/RoundedRectangle'
+/**
+ * ============================================================================
+ * MAIN CLASS
+ * ============================================================================
+ * @hidden
+ */
+/**
+ * This class creates a link (waved color-filled line) between two nodes in a
+ * Sankey Diagram.
+ *
+ * @see {@link IHeatLegendEvents} for a list of available events
+ * @see {@link IHeatLegendAdapters} for a list of available Adapters
+ * @important
+ */
+const HeatLegend = /** @class */ (function (_super) {
+  __extends(HeatLegend, _super)
+  /**
+   * Constructor
+   */
+  function HeatLegend () {
+    const _this = _super.call(this) || this
+    _this.className = 'HeatLegend'
+    _this.markerContainer = _this.createChild(Container)
+    _this.markerContainer.shouldClone = false
+    _this.markerCount = 1
+    // Create a template container and list for the a marker
+    const marker = new RoundedRectangle()
+    marker.minHeight = 6
+    marker.minWidth = 20
+    marker.interactionsEnabled = false
+    marker.fillOpacity = 1
+    marker.cornerRadius(0, 0, 0, 0)
+    _this.markerContainer.minHeight = 6
+    _this.markerContainer.minWidth = 20
+    _this.orientation = 'horizontal'
+    _this.markers = new ListTemplate(marker)
+    _this._disposers.push(new ListDisposer(_this.markers))
+    _this._disposers.push(_this.markers.template)
+    _this.applyTheme()
+    return _this
+  }
+  HeatLegend.prototype.getMinFromRules = function (property) {
+    const series = this.series
+    if (series) {
+      let minValue_1
+      $iter.eachContinue(series.heatRules.iterator(), function (heatRule) {
+        if (heatRule.property == property) {
+          minValue_1 = heatRule.min
+          return false
+        }
+        return true
+      })
+      return minValue_1
+    }
+  }
+  HeatLegend.prototype.getMaxFromRules = function (property) {
+    const series = this.series
+    if (series) {
+      let maxValue_1
+      $iter.each(series.heatRules.iterator(), function (heatRule) {
+        if (heatRule.property == property) {
+          maxValue_1 = heatRule.max
+          return false
+        }
+        return true
+      })
+      return maxValue_1
+    }
+  }
+  /**
+   *
+   * @ignore Exclude from docs
+   */
+  HeatLegend.prototype.validate = function () {
+    _super.prototype.validate.call(this)
+    this.valueAxis.renderer.inversed = this.reverseOrder
+    const series = this.series
+    let minColor = this.minColor
+    let maxColor = this.maxColor
+    if (!$type.hasValue(minColor)) {
+      minColor = toColor(this.getMinFromRules('fill'))
+    }
+    if (!$type.hasValue(maxColor)) {
+      maxColor = toColor(this.getMaxFromRules('fill'))
+    }
+    if (series) {
+      const seriesFill = series.fill
+      if (!$type.hasValue(minColor) && seriesFill instanceof Color) {
+        minColor = seriesFill
+      }
+      if (!$type.hasValue(maxColor) && seriesFill instanceof Color) {
+        maxColor = seriesFill
+      }
+    }
+    if (!$type.hasValue(maxColor)) {
+      maxColor = toColor(this.getMaxFromRules('fill'))
+    }
+    let minOpacity = $type.toNumber(this.getMinFromRules('fillOpacity'))
+    if (!$type.isNumber(minOpacity)) {
+      minOpacity = 1
+    }
+    let maxOpacity = $type.toNumber(this.getMaxFromRules('fillOpacity'))
+    if (!$type.isNumber(maxOpacity)) {
+      maxOpacity = 1
+    }
+    let minStrokeOpacity = $type.toNumber(this.getMinFromRules('strokeOpacity'))
+    if (!$type.isNumber(minStrokeOpacity)) {
+      minStrokeOpacity = 1
+    }
+    let maxStrokeOpacity = $type.toNumber(this.getMaxFromRules('strokeOpacity'))
+    if (!$type.isNumber(maxStrokeOpacity)) {
+      maxStrokeOpacity = 1
+    }
+    const minStroke = toColor(this.getMinFromRules('stroke'))
+    const maxStroke = toColor(this.getMaxFromRules('stroke'))
+    // if (series) {
+    for (var i = 0; i < this.markerCount; i++) {
+      let marker = this.markers.getIndex(i)
+      if (!marker) {
+        marker = this.markers.create()
+        marker.parent = this.markerContainer
+        marker.height = percent(100)
+        marker.width = percent(100)
+      }
+      if (this.markerCount == 1) {
+        const gradient = new LinearGradient()
+        if (this.reverseOrder) {
+          gradient.addColor(maxColor, maxOpacity)
+          gradient.addColor(minColor, minOpacity)
+        } else {
+          gradient.addColor(minColor, minOpacity)
+          gradient.addColor(maxColor, maxOpacity)
+        }
+        if (this.orientation == 'vertical') {
+          gradient.rotation = -90
+        }
+        marker.fill = gradient
+        if ($type.hasValue(minStroke) && $type.hasValue(maxStroke)) {
+          const strokeGradient = new LinearGradient()
+          if (this.reverseOrder) {
+            strokeGradient.addColor(maxStroke, maxStrokeOpacity)
+            strokeGradient.addColor(minStroke, minStrokeOpacity)
+          } else {
+            strokeGradient.addColor(minStroke, minStrokeOpacity)
+            strokeGradient.addColor(maxStroke, maxStrokeOpacity)
+          }
+          if (this.orientation == 'vertical') {
+            strokeGradient.rotation = -90
+          }
+          marker.stroke = strokeGradient
+        }
+      } else {
+        let c = i
+        if (this.reverseOrder) {
+          c = this.markerCount - i - 1
+        }
+        const color = new Color($colors.interpolate(minColor.rgb, maxColor.rgb, c / this.markerCount))
+        marker.fill = color
+        const opacity = minOpacity + (maxOpacity - minOpacity) * c / this.markerCount
+        marker.fillOpacity = opacity
+        if ($type.hasValue(minStroke) && $type.hasValue(maxStroke)) {
+          const color_1 = new Color($colors.interpolate(minStroke.rgb, maxStroke.rgb, c / this.markerCount))
+          marker.stroke = color_1
+          const opacity_1 = minStrokeOpacity + (maxStrokeOpacity - minStrokeOpacity) * c / this.markerCount
+          marker.strokeOpacity = opacity_1
+        }
+      }
+    }
+    const renderer = this.valueAxis.renderer
+    if (this.markerCount > 1) {
+      if (this.orientation == 'horizontal') {
+        renderer.minGridDistance = this.measuredWidth / this.markerCount
+      } else {
+        renderer.minGridDistance = this.measuredHeight / this.markerCount
+      }
+    }
+    this.valueAxis.invalidate()
+    for (var i = this.markerCount, len = this.markers.length; i < len; i++) {
+      this.markers.getIndex(i).parent = undefined
+    }
+  }
+  Object.defineProperty(HeatLegend.prototype, 'minColor', {
+    /**
+     * Returns minColor value
+     * @return {Color}
+     */
+    get: function () {
+      return this.getPropertyValue('minColor')
+    },
+    /**
+     * Min color of a heat legend. If a series is set for the legend, minColor is taken from series.
+     *
+     * @param {Color}
+     */
+    set: function (value) {
+      if (!(value instanceof Color)) {
+        value = toColor(value)
+      }
+      this.setColorProperty('minColor', value, true)
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'maxColor', {
+    /**
+     * Returns maxColor value
+     * @return {Color}
+     */
+    get: function () {
+      return this.getPropertyValue('maxColor')
+    },
+    /**
+     * Max color of a heat legend. If a series is set for the legend, maxColor is taken from series.
+     *
+     * @param {Color}
+     */
+    set: function (value) {
+      if (!(value instanceof Color)) {
+        value = toColor(value)
+      }
+      this.setColorProperty('maxColor', value, true)
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'markerCount', {
+    /**
+     * Returns number of color squares (markers).
+     * @return {number}
+     */
+    get: function () {
+      return this.getPropertyValue('markerCount')
+    },
+    /**
+     * Number of color squares (markers) in the heat legend. If only 1 marker is used, it will be filled with gradient.
+     *
+     * @param {number}
+     */
+    set: function (value) {
+      this.setPropertyValue('markerCount', value, true)
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'minValue', {
+    /**
+     * Returns minimum value of heat legend.
+     * @return {number}
+     */
+    get: function () {
+      return this.getPropertyValue('minValue')
+    },
+    /**
+     * Minimum value of heat legend's value axis. If a series is set for the legend, min is taken from series.
+     *
+     * @param {number}
+     */
+    set: function (value) {
+      this.setPropertyValue('minValue', value)
+      this.valueAxis.min = value
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'maxValue', {
+    /**
+     * Returns maximum value of heat legend.
+     * @return {number}
+     */
+    get: function () {
+      return this.getPropertyValue('maxValue')
+    },
+    /**
+     * Maximum value of heat legend's value axis. If a series is set for the legend, max is taken from series.
+     *
+     * @param {number}
+     */
+    set: function (value) {
+      this.setPropertyValue('maxValue', value)
+      this.valueAxis.max = value
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'orientation', {
+    /**
+     * Returns orientation value.
+     *
+     * @return {"horizontal" | "vertical"}
+     */
+    get: function () {
+      return this.getPropertyValue('orientation')
+    },
+    /**
+     * Heat legend orientation. Note, if you change orientation of a heat legend, you must set value axis renderer properties after that, as with orientation renderer changes.
+     *
+     * @param {"horizontal" | "vertical"}
+     */
+    set: function (value) {
+      this.setPropertyValue('orientation', value, true)
+      const markerContainer = this.markerContainer
+      const valueAxis = this.valueAxis
+      // HORIZONTAL
+      if (value == 'horizontal') {
+        if (!$type.hasValue(this.width)) {
+          this.width = 200
+        }
+        this.height = undefined
+        valueAxis.width = percent(100)
+        valueAxis.height = undefined
+        valueAxis.tooltip.pointerOrientation = 'vertical'
+        this.layout = 'vertical'
+        markerContainer.width = percent(100)
+        markerContainer.height = undefined
+        if (!(valueAxis.renderer instanceof AxisRendererX)) {
+          valueAxis.renderer = new AxisRendererX()
+        }
+      }
+      // VERTICAL
+      else {
+        if (!$type.hasValue(this.height)) {
+          this.height = 200
+        }
+        this.width = undefined
+        this.layout = 'horizontal'
+        markerContainer.width = undefined
+        markerContainer.height = percent(100)
+        valueAxis.height = percent(100)
+        valueAxis.width = undefined
+        valueAxis.tooltip.pointerOrientation = 'horizontal'
+        if (!(valueAxis.renderer instanceof AxisRendererY)) {
+          valueAxis.renderer = new AxisRendererY()
+        }
+        valueAxis.renderer.inside = true
+        valueAxis.renderer.labels.template.inside = true
+        this.markerContainer.reverseOrder = true
+      }
+      const renderer = valueAxis.renderer
+      renderer.grid.template.disabled = true
+      renderer.axisFills.template.disabled = true
+      renderer.baseGrid.disabled = true
+      renderer.labels.template.padding(2, 3, 2, 3)
+      renderer.minHeight = undefined
+      renderer.minWidth = undefined
+      this.markerContainer.layout = value
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'valueAxis', {
+    /**
+     * Returns valueAxis value.
+     * @return {ValueAxis}
+     */
+    get: function () {
+      if (!this._valueAxis) {
+        this.valueAxis = this.createChild(ValueAxis)
+        this.valueAxis.shouldClone = false
+      }
+      return this._valueAxis
+    },
+    /**
+     * Sets a value axis of heat legend. Value axis for heat legend is created automatically.
+     * @param {ValueAxis}
+     */
+    set: function (valueAxis) {
+      this._valueAxis = valueAxis
+      valueAxis.parent = this
+      valueAxis.strictMinMax = true
+      this.orientation = this.orientation
+    },
+    enumerable: true,
+    configurable: true
+  })
+  Object.defineProperty(HeatLegend.prototype, 'series', {
+    /**
+     * Returns series value.
+     * @return {Series}
+     */
+    get: function () {
+      return this._series
+    },
+    /**
+     * You can set series for heat legend. It will take min, max, minColor and maxColor values from this series.
+     * @param series
+     */
+    set: function (series) {
+      const _this = this
+      this._series = series
+      let dataField = 'value'
+      try {
+        const dataFieldDefined = series.heatRules.getIndex(0).dataField
+        if (dataFieldDefined) {
+          dataField = dataFieldDefined
+        }
+      } catch (err) {
+      }
+      this.updateMinMax(series.dataItem.values[dataField].low, series.dataItem.values[dataField].high)
+      series.dataItem.events.on('calculatedvaluechanged', function (event) {
+        _this.updateMinMax(series.dataItem.values[dataField].low, series.dataItem.values[dataField].high)
+      }, undefined, false)
+      series.heatRules.events.on('inserted', this.invalidate, this, false)
+      series.heatRules.events.on('removed', this.invalidate, this, false)
+    },
+    enumerable: true,
+    configurable: true
+  })
+  /**
+   * Updates min/max of value axis.
+   * @ignore
+   */
+  HeatLegend.prototype.updateMinMax = function (min, max) {
+    const valueAxis = this.valueAxis
+    if (!$type.isNumber(this.minValue)) {
+      valueAxis.min = min
+      valueAxis.invalidate()
+    }
+    if (!$type.isNumber(this.maxValue)) {
+      valueAxis.max = max
+      valueAxis.invalidate()
+    }
+  }
+  /**
+   * Processes JSON-based config before it is applied to the object.
+   *
+   * @ignore Exclude from docs
+   * @param config  Config
+   */
+  HeatLegend.prototype.processConfig = function (config) {
+    if (config) {
+      // Set up series
+      if ($type.hasValue(config.series) && $type.isString(config.series)) {
+        if ($type.isString(config.series)) {
+          if (this.map.hasKey(config.series)) {
+            config.series = this.map.getKey(config.series)
+          } else {
+            const seriesId_1 = config.series
+            var disposer_1 = this.map.events.on('insertKey', function (ev) {
+              if (ev.key == seriesId_1) {
+                this.series = ev.newValue
+                disposer_1.dispose()
+              }
+            }, this)
+            this._disposers.push(disposer_1)
+            delete config.series
+          }
+        }
+      }
+    }
+    _super.prototype.processConfig.call(this, config)
+  }
+  return HeatLegend
+}(Container))
+export { HeatLegend }
+/**
+ * Register class in system, so that it can be instantiated using its name from
+ * anywhere.
+ *
+ * @ignore
+ */
+registry.registeredClasses.HeatLegend = HeatLegend
+// # sourceMappingURL=HeatLegend.js.map
diff --git a/src/views/charts/Chart.vue b/src/views/charts/Chart.vue
index a0176b29..0e80b474 100644
--- a/src/views/charts/Chart.vue
+++ b/src/views/charts/Chart.vue
@@ -190,6 +190,7 @@ import unitConvert, { getUnitType } from '@/utils/unit-convert'
 import { chartTableDefaultPageSize, chartTableTopOptions, storageKey, chartPieTableTopOptions, unitTypes } from '@/utils/constants'
 import { get } from '@/utils/http'
 import { replaceUrlPlaceholder, getCapitalGeo, getGeoData, lineToSpace } from '@/utils/tools'
+import { HeatLegend } from '@/components/amcharts/heatLegend'
 
 export default {
   name: 'Chart',
@@ -352,12 +353,6 @@ export default {
       const polygonSeries = chart.series.push(new am4Maps.MapPolygonSeries())
       polygonSeries.useGeodata = true
       polygonSeries.exclude = ['AQ'] // 排除南极洲
-      // 鼠标悬停提示
-      /* const polygonTemplate = polygonSeries.mapPolygons.template
-      polygonTemplate.tooltipText = '{name}'
-      polygonTemplate.fontSize = '12px'
-      const hs = polygonTemplate.states.create('hover')
-      hs.properties.fill = am4Core.color('#ccc') */
       return {
         chart,
         polygonSeries
@@ -443,13 +438,6 @@ export default {
             })
             imageSeries.data = pointData
           } else if (this.isMapBlock) {
-            polygonSeries.heatRules.push({
-              property: 'fill',
-              target: polygonSeries.mapPolygons.template,
-              min: am4Core.color('#EABA2B'),
-              max: am4Core.color('#D95D41')
-            })
-
             const seriesData = data.map(r => {
               const value = r.establishLatency || r.httpResponseLatency || r.sslConLatency || r.sequenceGapLossPercent || r.pktRetransPercent || r.sessions
               return {
@@ -460,22 +448,29 @@ export default {
             })
             polygonSeries.data = [...seriesData]
             const sorted = seriesData.sort((a, b) => b.value - a.value)
+            const allZero = this.$_.isEmpty(sorted) || Number(sorted[0].value) === 0 // 数据全为0的情况，legend只显示1个颜色
 
-            const heatLegend = this.myChart.createChild(am4Maps.HeatLegend)
-            heatLegend.series = polygonSeries
-            heatLegend.align = 'center'
-            heatLegend.minValue = 0
-            if (!this.$_.isEmpty(sorted)) {
-              heatLegend.maxValue = Number(sorted[0].value)
-            }
+            polygonSeries.heatRules.push({
+              property: 'fill',
+              target: polygonSeries.mapPolygons.template,
+              min: am4Core.color('#EABA2B'),
+              max: allZero ? am4Core.color('#EABA2B') : am4Core.color('#D95D41')
+            })
+
+            const heatLegend = this.myChart.createChild(HeatLegend)
             heatLegend.markerContainer.height = 6
-            heatLegend.width = am4Core.percent(25)
-            heatLegend.marginLeft = am4Core.percent(4)
+            heatLegend.series = polygonSeries
+            heatLegend.align = 'left'
+            heatLegend.markerCount = allZero ? 1 : 3
+            heatLegend.minValue = 0
+            heatLegend.fontSize = 12
+            heatLegend.maxValue = allZero ? 1 : Number(sorted[0].value)
+            heatLegend.width = allZero ? am4Core.percent(10) : am4Core.percent(25)
+            heatLegend.marginLeft = 15
             heatLegend.valign = 'bottom'
 
             const polygonTemplate = polygonSeries.mapPolygons.template
             polygonTemplate.tooltipText = '{name}{title}'
-            // polygonTemplate.numberFormatter = new am4Core.NumberFormatter().bigNumberPrefixes
             polygonTemplate.nonScalingStroke = true
             polygonTemplate.strokeWidth = 0.5
           }