互联网-社管一张图-工具，标绘工具-画线，标绘的线，点击经常没有反应，应该优化下（单击展示“X”，再次单击不展示“X”）

交互范围缩短

src/views/gis/layout/tools/tool-draw.ts

@@ -184,6 +184,7 @@ export const draw = (map, obj) => {
             }
             const modifyInteraction = new Modify({
                 source: _source,
+                pixelTolerance: 1
             });
             modifyInteraction.set(modifyFlag[0], modifyFlag[1])
             map.addInteraction(modifyInteraction)
@@ -400,6 +401,7 @@ export const refreshModify = (map, _source) => {
     }
     const modifyInteraction = new Modify({
         source: _source,
+        pixelTolerance: 1
     });
     modifyInteraction.set(modifyFlag[0], modifyFlag[1])
     map.addInteraction(modifyInteraction)