diff --git a/src/components/renderer/RendererBase.js b/src/components/renderer/RendererBase.js
index 1a03d60..149507f 100644
--- a/src/components/renderer/RendererBase.js
+++ b/src/components/renderer/RendererBase.js
@@ -56,7 +56,7 @@ function listPoints(qrcode, params) {
                     }
                 } else if (posType === 3) {
                     pointList.push(<circle key={id++} fill={posColor} cx={x + 0.5} cy={y + 0.5} r={1.5} />)
-                    pointList.push(<path d={sq25} stroke={posColor} strokeWidth={100/6 * (1 - (1 - size) * 0.75)} fill="none" transform={'translate('+String(x - 2.5)+','+String(y - 2.5)+') ' + 'scale(' + String(6/100) + ',' + String(6/100) + ')'} />)
+                    pointList.push(<path key={id++} d={sq25} stroke={posColor} strokeWidth={100/6 * (1 - (1 - size) * 0.75)} fill="none" transform={'translate('+String(x - 2.5)+','+String(y - 2.5)+') ' + 'scale(' + String(6/100) + ',' + String(6/100) + ')'} />)
                 }
             }
             else if (typeTable[x][y] === QRPointType.POS_OTHER) {