diff --git a/src/Obj/Base/CurvelineObject/_element.js b/src/Obj/Base/CurvelineObject/_element.js
index 02124ea..cc8b89a 100644
--- a/src/Obj/Base/CurvelineObject/_element.js
+++ b/src/Obj/Base/CurvelineObject/_element.js
@@ -1,7 +1,7 @@
 import { attributeElm, labelStyleElm1, labelStyleElm2 } from '../../Element/elm_html'
 
 function html(that) {
-    return `
+  return `
     <span class="custom-divider"></span>
     <div class="div-item">
         <div class="row" style="align-items: flex-start;">
@@ -9,22 +9,15 @@ function html(that) {
                 <span class="label">名称</span>
                 <input class="input" maxlength="40" type="text" @model="name">
             </div>
-            <div class="col" style="flex: 0 0 54%;">
+            <div class="col" style="flex: 0 0 56%;">
                 <div>
                     <div class="row">
                         <div class="col input-select-unit-box">
-                            <span class="label">原始长度:</span>
+                            <div class="input-select-unit"></div>
                             <input class="input input-text" readonly="readonly" type="text" style="flex: 0 0 130px;" @model="length">
                             <div class="input-select-unit"></div>
                         </div>
                     </div>
-                    <div class="row">
-                        <div class="col input-select-fit-unit-box">
-                            <span class="label">拟合长度:</span>
-                            <input class="input input-text" readonly="readonly" type="text" style="flex: 0 0 130px;" @model="fitLength">
-                            <div class="input-select-fit-unit"></div>
-                        </div>
-                    </div>
                 </div>
             </div>
         </div>
diff --git a/src/Obj/Base/CurvelineObject/index.js b/src/Obj/Base/CurvelineObject/index.js
index 8b946e1..0f4ddde 100644
--- a/src/Obj/Base/CurvelineObject/index.js
+++ b/src/Obj/Base/CurvelineObject/index.js
@@ -58,6 +58,7 @@ class CurvelineObject extends Base {
     this.options.extend = options.extend || false
     this.options['length-unit'] = options['length-unit'] || '米'
     this.options['fit-length-unit'] = options['fit-length-unit'] || '米'
+    this.options['words-name'] = options['words-name'] || '空间长度'
     this.options['extend-width'] =
       options['extend-width'] || options['extend-width'] === 0
         ? options['extend-width']
@@ -116,6 +117,7 @@ class CurvelineObject extends Base {
     this.options.attributeType = options.attributeType || 'richText'
     this.operate = {}
     this.nodePoints = []
+    this.unitNum = 0
     this.Dialog = _Dialog
     if (!this.options.positions || this.options.positions.length < 2) {
       this._error = '线段最少需要两个坐标！'
@@ -172,6 +174,8 @@ class CurvelineObject extends Base {
 
   set length(v) {
     this.options.length = v
+    //判断数值是否大于1000m
+
     this._elms.length &&
       this._elms.length.forEach(item => {
         item.value = v
@@ -194,25 +198,60 @@ class CurvelineObject extends Base {
     return this.options['length-unit']
   }
   set lengthUnit(v) {
+    this.unitNum++
     this.options['length-unit'] = v
     this._elms.lengthUnit &&
       this._elms.lengthUnit.forEach(item => {
         item.value = v
       })
     if (this.options.lengthByMeter) {
-      switch (v) {
-        case '米':
-          this.length = this.options.lengthByMeter
-          break
-        case '千米':
-          this.length = (this.options.lengthByMeter / 1000).toFixed(5)
-          break
-        default:
-          this.length = this.options.lengthByMeter
+      if (this.unitNum > 2) {
+        switch (v) {
+          case '米':
+            this.length = this.noseToTail ? this.options.fitLengthByMeter : this.options.lengthByMeter
+
+            break
+          case '千米':
+            this.length = this.noseToTail ? (this.options.fitLengthByMeter / 1000).toFixed(5) : (this.options.lengthByMeter / 1000).toFixed(5)
+
+            break
+          default:
+            this.length = this.noseToTail ? this.options.fitLengthByMeter : this.options.lengthByMeter
+
+            break
+        }
+      } else {
+        let length = this.noseToTail ? this.options.fitLengthByMeter : this.options.lengthByMeter
+        this.lengthUnit = length > 1000 || length == 1000 ? '千米' : '米'
       }
     }
   }
 
+  get wordsName() {
+    return this.options['words-name']
+  }
+  set wordsName(v) {
+    this.options['words-name'] = v
+    this._elms.wordsName &&
+      this._elms.wordsName.forEach(item => {
+        item.value = v
+      })
+
+    let _this = this
+    if (!this.noseToTail) {
+      this.computeDistance(
+        this.options.positions,
+        2,
+        v
+      ).then(res => {
+        _this.options.lengthByMeter = res
+        _this.lengthUnit = this.options['length-unit']
+      })
+    } else {
+      let fromDegreesArray = this.renewPositions(this.options.positions)
+    }
+  }
+
   get fitLengthUnit() {
     return this.options['fit-length-unit']
   }
@@ -310,8 +349,28 @@ class CurvelineObject extends Base {
       )
       this.renewPolygon(fromDegreesArray)
     }
+    this.lengthUnit = this.options['length-unit']
+    // if (v) {
+    //   if (this.options.fitLengthByMeter > 1000 || this.options.fitLengthByMeter == 1000) {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
+    //   } else {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
+    //   }
+
+    // } else {
+    //   if (this.options.lengthByMeter > 1000 || this.options.lengthByMeter == 1000) {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
+    //   } else {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
+    //   }
+    // }
   }
 
+
   get heightMode() {
     return this.options.heightMode ? this.options.heightMode : 0
   }
@@ -349,11 +408,11 @@ class CurvelineObject extends Base {
         break
     }
 
-    this.options.lengthByMeter = this.computeDistance2(
-      this.smoothHandle(this.options.positions),
-      2,
-      ground
-    )
+    // this.options.lengthByMeter = this.computeDistance2(
+    //   this.smoothHandle(this.options.positions),
+    //   2,
+    //   ground
+    // )
     this.lengthUnit = this.lengthUnit
     this._elms.heightMode && (this._elms.heightMode.value = heightModeName)
     this._elms.heightModeObject && (this._elms.heightModeObject.legp_searchActive(
@@ -1157,12 +1216,25 @@ class CurvelineObject extends Base {
     CurvelineObject.createLabel(that)
     // that.entity.polyline.positionsLngLat = positions
     that.renewPolygon(fromDegreesArray)
-    that.options.lengthByMeter = that.computeDistance2(that.smoothHandle(positions), 2, ground)
-    that.lengthUnit = that.options['length-unit']
-    syncData(that.sdk, that.options.id)
-    if (that.options.show) {
-      setSplitDirection(0, that.options.id)
-    }
+    // that.options.lengthByMeter = that.computeDistance2(that.smoothHandle(positions), 2, ground)
+    // that.lengthUnit = that.options['length-unit']
+    // syncData(that.sdk, that.options.id)
+    // if (that.options.show) {
+    //   setSplitDirection(0, that.options.id)
+    // }
+
+    that.computeDistance(
+      that.smoothHandle(positions),
+      2,
+      that.options['words-name']
+    ).then(res => {
+      that.options.lengthByMeter = res
+      that.lengthUnit = that.options['length-unit']
+      syncData(that.sdk, that.options.id)
+      if (that.options.show) {
+        setSplitDirection(0, that.options.id)
+      }
+    })
 
     // if (this.options['nose-to-tail']) {
     //   let array = []
@@ -1389,6 +1461,50 @@ class CurvelineObject extends Base {
           })
         }
 
+        let nameData = [
+          {
+            name: '空间长度',
+            value: '空间长度'
+          },
+          {
+            name: '投影长度',
+            value: '投影长度'
+          },
+          {
+            name: '地表长度',
+            value: '地表长度'
+          }
+        ]
+
+        let nameDataLegpObject = legp(
+          this._DialogObject._element.content.getElementsByClassName(
+            'input-select-unit-box'
+          )[0],
+          '.input-select-unit'
+        )
+        if (nameDataLegpObject) {
+          nameDataLegpObject.legp_search(nameData)
+          let nameDataLegpElm = this._DialogObject._element.content
+            .getElementsByClassName('input-select-unit')[0]
+            .getElementsByTagName('input')[0]
+          this._elms.wordsName = [nameDataLegpElm]
+          nameDataLegpElm.value = this.options['words-name']
+          for (let i = 0; i < nameData.length; i++) {
+            if (nameData[i].value === nameDataLegpElm.value) {
+              nameDataLegpObject.legp_searchActive(nameData[i].value)
+              break
+            }
+          }
+          nameDataLegpElm.addEventListener('input', () => {
+            for (let i = 0; i < nameData.length; i++) {
+              if (nameData[i].value === nameDataLegpElm.value) {
+                this.wordsName = nameData[i].value
+                break
+              }
+            }
+          })
+        }
+
         // 原始长度单位
         let unitData = [
           {
@@ -1405,12 +1521,13 @@ class CurvelineObject extends Base {
           this._DialogObject._element.content.getElementsByClassName(
             'input-select-unit-box'
           )[0],
-          '.input-select-unit'
+          '.input-select-unit',
+          1
         )
         if (unitDataLegpObject) {
           unitDataLegpObject.legp_search(unitData)
           let unitDataLegpElm = this._DialogObject._element.content
-            .getElementsByClassName('input-select-unit')[0]
+            .getElementsByClassName('input-select-unit')[1]
             .getElementsByTagName('input')[0]
           this._elms.lengthUnit = [unitDataLegpElm]
           unitDataLegpElm.value = this.options['length-unit']
@@ -1431,45 +1548,45 @@ class CurvelineObject extends Base {
         }
 
         // 拟合长度单位
-        let fitUnitData = [
-          {
-            name: '米',
-            value: '米'
-          },
-          {
-            name: '千米',
-            value: '千米'
-          }
-        ]
+        // let fitUnitData = [
+        //   {
+        //     name: '米',
+        //     value: '米'
+        //   },
+        //   {
+        //     name: '千米',
+        //     value: '千米'
+        //   }
+        // ]
 
-        let fitUnitDataLegpObject = legp(
-          this._DialogObject._element.content.getElementsByClassName(
-            'input-select-fit-unit-box'
-          )[0],
-          '.input-select-fit-unit'
-        )
-        if (fitUnitDataLegpObject) {
-          fitUnitDataLegpObject.legp_search(fitUnitData)
-          let fitUnitDataLegpElm = this._DialogObject._element.content
-            .getElementsByClassName('input-select-fit-unit')[0]
-            .getElementsByTagName('input')[0]
-          this._elms.fitLengthUnit = [fitUnitDataLegpElm]
-          fitUnitDataLegpElm.value = this.options['fit-length-unit']
-          for (let i = 0; i < fitUnitData.length; i++) {
-            if (fitUnitData[i].value === fitUnitDataLegpElm.value) {
-              fitUnitDataLegpObject.legp_searchActive(fitUnitData[i].value)
-              break
-            }
-          }
-          fitUnitDataLegpElm.addEventListener('input', () => {
-            for (let i = 0; i < fitUnitData.length; i++) {
-              if (fitUnitData[i].value === fitUnitDataLegpElm.value) {
-                this.fitLengthUnit = fitUnitData[i].value
-                break
-              }
-            }
-          })
-        }
+        // let fitUnitDataLegpObject = legp(
+        //   this._DialogObject._element.content.getElementsByClassName(
+        //     'input-select-fit-unit-box'
+        //   )[0],
+        //   '.input-select-fit-unit'
+        // )
+        // if (fitUnitDataLegpObject) {
+        //   fitUnitDataLegpObject.legp_search(fitUnitData)
+        //   let fitUnitDataLegpElm = this._DialogObject._element.content
+        //     .getElementsByClassName('input-select-fit-unit')[0]
+        //     .getElementsByTagName('input')[0]
+        //   this._elms.fitLengthUnit = [fitUnitDataLegpElm]
+        //   fitUnitDataLegpElm.value = this.options['fit-length-unit']
+        //   for (let i = 0; i < fitUnitData.length; i++) {
+        //     if (fitUnitData[i].value === fitUnitDataLegpElm.value) {
+        //       fitUnitDataLegpObject.legp_searchActive(fitUnitData[i].value)
+        //       break
+        //     }
+        //   }
+        //   fitUnitDataLegpElm.addEventListener('input', () => {
+        //     for (let i = 0; i < fitUnitData.length; i++) {
+        //       if (fitUnitData[i].value === fitUnitDataLegpElm.value) {
+        //         this.fitLengthUnit = fitUnitData[i].value
+        //         break
+        //       }
+        //     }
+        //   })
+        // }
 
         let lineTypeData = [
           {
@@ -1848,22 +1965,74 @@ class CurvelineObject extends Base {
 
 
     // 计算长度
-    let array = []
-    for (let i = 0; i < fromDegreesArray.length; i += 3) {
-      array.push({
-        lng: fromDegreesArray[i],
-        lat: fromDegreesArray[i + 1],
-        alt: fromDegreesArray[i + 2]
+    // let array = []
+    // for (let i = 0; i < fromDegreesArray.length; i += 3) {
+    //   array.push({
+    //     lng: fromDegreesArray[i],
+    //     lat: fromDegreesArray[i + 1],
+    //     alt: fromDegreesArray[i + 2]
+    //   })
+    // }
+    // this.options.fitLengthByMeter = this.computeDistance2(
+    //   array,
+    //   2,
+    //   ground
+    // )
+    // this.fitLengthUnit = this.options['fit-length-unit']
+    // this.options.lengthByMeter = this.computeDistance2(this.smoothHandle(positions), 2, ground)
+    // this.lengthUnit = this.options['length-unit']
+
+
+    if (
+      (this.options['nose-to-tail'] &&
+        this.options['nose-to-tail'] !== 'false') ||
+      (this.options.smooth && this.options.smooth !== 'false')
+    ) {
+      let array = []
+      for (let i = 0; i < fromDegreesArray.length; i += 3) {
+        array.push({
+          lng: fromDegreesArray[i],
+          lat: fromDegreesArray[i + 1],
+          alt: fromDegreesArray[i + 2]
+        })
+      }
+      // this.options.fitLengthByMeter = this.computeDistance(
+      //   array,
+      //   2,
+      //   ground
+      // )
+      let _this = this
+      this.computeDistance(
+        array,
+        2,
+        this.options['words-name']
+      ).then(res => {
+        _this.options.fitLengthByMeter = res
+        _this.lengthUnit = _this.options['length-unit']
+      })
+    } else {
+      let _this = this
+      this.computeDistance(
+        _this.smoothHandle(positions),
+        2,
+        this.options['words-name']
+      ).then(res => {
+        _this.options.fitLengthByMeter = res
+        _this.lengthUnit = _this.options['length-unit']
+
       })
     }
-    this.options.fitLengthByMeter = this.computeDistance2(
-      array,
+
+    let _this = this
+    this.computeDistance(
+      this.smoothHandle(positions),
       2,
-      ground
-    )
-    this.fitLengthUnit = this.options['fit-length-unit']
-    this.options.lengthByMeter = this.computeDistance2(this.smoothHandle(positions), 2, ground)
-    this.lengthUnit = this.options['length-unit']
+      this.options['words-name']
+    ).then(res => {
+      _this.options.lengthByMeter = res
+      _this.lengthUnit = this.options['length-unit']
+    })
+
     return fromDegreesArray
   }
 
@@ -2035,7 +2204,7 @@ class CurvelineObject extends Base {
       )[0].value
     ) {
       this.options.attribute.vr.content.push({
-        name: '全景图' ,
+        name: '全景图',
         url: this._DialogObject._element.content.getElementsByClassName(
           'vr_add'
         )[0].value
@@ -2051,7 +2220,7 @@ class CurvelineObject extends Base {
 
   addAttributeRr(vr) {
     this.options.attribute.vr.content.push({
-      name: '全景图' ,
+      name: '全景图',
       url: vr
     })
     this.attributeVr = this.options.attribute.vr.content
diff --git a/src/Obj/Base/PolylineObject/index.js b/src/Obj/Base/PolylineObject/index.js
index 3d67234..2401abb 100644
--- a/src/Obj/Base/PolylineObject/index.js
+++ b/src/Obj/Base/PolylineObject/index.js
@@ -287,14 +287,16 @@ class PolylineObject extends Base {
         2,
         v
       ).then(res => {
+        // _this.options.lengthByMeter = res
+        // if (res > 1000 || res == 1000) {
+        //   _this.length = (res / 1000).toFixed(5)
+        //   _this.lengthUnit = '千米'
+        // } else {
+        //   _this.length = res
+        //   _this.lengthUnit = '米'
+        // }
         _this.options.lengthByMeter = res
-        if (res > 1000 || res == 1000) {
-          _this.length = (res / 1000).toFixed(5)
-          _this.lengthUnit = '千米'
-        } else {
-          _this.length = res
-          _this.lengthUnit = '米'
-        }
+        _this.lengthUnit = _this.options['length-unit']
       })
     } else {
       let fromDegreesArray = this.renewPositions(this.options.positions)
@@ -479,24 +481,25 @@ class PolylineObject extends Base {
       )
       this.renewPolygon(fromDegreesArray)
     }
-    if (v) {
-      if (this.options.fitLengthByMeter > 1000 || this.options.fitLengthByMeter == 1000) {
-        let dom = document.getElementsByClassName('input-select-unit')[1]
-        dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
-      } else {
-        let dom = document.getElementsByClassName('input-select-unit')[1]
-        dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
-      }
+    this.lengthUnit = this.options['length-unit']
+    // if (v) {
+    //   if (this.options.fitLengthByMeter > 1000 || this.options.fitLengthByMeter == 1000) {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
+    //   } else {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
+    //   }
 
-    } else {
-      if (this.options.lengthByMeter > 1000 || this.options.lengthByMeter == 1000) {
-        let dom = document.getElementsByClassName('input-select-unit')[1]
-        dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
-      } else {
-        let dom = document.getElementsByClassName('input-select-unit')[1]
-        dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
-      }
-    }
+    // } else {
+    //   if (this.options.lengthByMeter > 1000 || this.options.lengthByMeter == 1000) {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[1] && dom.querySelectorAll('dd')[1].click()
+    //   } else {
+    //     let dom = document.getElementsByClassName('input-select-unit')[1]
+    //     dom && dom.querySelectorAll('dd')[0] && dom.querySelectorAll('dd')[0].click()
+    //   }
+    // }
   }
 
   get smooth() {