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															@@ -208,8 +208,9 @@ export default { 
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															       //   this.$props.type == "hegxfx" 
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															       //   this.$props.type == "hegxfx" 
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															       //     ? "/static/data/ghss/导入.geojson" 
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															       //     ? "/static/data/ghss/导入.geojson" 
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															       //     : "static/data/draw.geojson"; 
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															       //     : "static/data/draw.geojson"; 
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															+      let _this = this; 
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															       let polygon = Cesium.GeoJsonDataSource.load(geojson, { 
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															       let polygon = Cesium.GeoJsonDataSource.load(geojson, { 
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															-        // clampToGround: true 
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															+        clampToGround: true, 
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															         stroke: Cesium.Color.RED, 
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															         stroke: Cesium.Color.RED, 
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															         fill: Cesium.Color.WHITE.withAlpha(0.3), 
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															         fill: Cesium.Color.WHITE.withAlpha(0.3), 
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															         strokeWidth: 5, 
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															         strokeWidth: 5, 
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															@@ -218,7 +219,7 @@ export default { 
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															         // 将数据源添加到Cesium Viewer 
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															         // 将数据源添加到Cesium Viewer 
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															         viewer.dataSources.add(dataSource); 
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															         viewer.dataSources.add(dataSource); 
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															         viewer.zoomTo(dataSource); 
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															         viewer.zoomTo(dataSource); 
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															-        this.dataSources = dataSource; 
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															+        _this.dataSources = dataSource; 
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															       }); 
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															       }); 
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															     }, 
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															     }, 
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															     resetDataSources() { 
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															     resetDataSources() { 
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