diff --git a/docs/api/location/map.md b/docs/api/location/map.md
index 37428e3e1ff725a083568d95ea77cb33be60a831..985ebcb0ed465080c30a0c08f5303b78ef61b0ac 100644
--- a/docs/api/location/map.md
+++ b/docs/api/location/map.md
@@ -333,18 +333,17 @@ mapContext
         const markers = []
 
         positions.forEach((p, i) => {
-          const newMarker = Object.assign(marker, p)
+          const newMarker = Object.assign({},marker, p)
           newMarker.id = i + 1
           newMarker.label.content = `label ${i + 1}`
           markers.push(newMarker)
-
-          this._mapContext.addMarkers({
+        })
+        this._mapContext.addMarkers({
             markers,
             clear: false,
             complete(res) {
               console.log('addMarkers', res)
             }
-          })
         })
       }
     }