diff --git a/src/components/ConcernementMapItem.vue b/src/components/ConcernementMapItem.vue
index 2b9a612..ef99eca 100644
--- a/src/components/ConcernementMapItem.vue
+++ b/src/components/ConcernementMapItem.vue
@@ -223,9 +223,10 @@ export default {
       this.initMatterBody()
     },
     getRandomPos(){
+      let pad = 200;
       return {
-        x: this.ray/2 + Math.random()*(this.canvas.width - this.ray),
-        y: this.ray/2 + Math.random()*(this.canvas.height - this.ray)
+        x: pad + this.ray/2 + Math.random()*(this.canvas.width - this.ray - pad),
+        y: pad + this.ray/2 + Math.random()*(this.canvas.height - this.ray - pad)
       };
     },
     initMatterBody (){