modify some codes

04.系统编码/Frontend/src/components/RamanLidar.vue

@@ -594,7 +594,7 @@ export default {
             }
 
             for(let y = 0; y < capacity; y++){
-              matrix[index][y] = new Box(index, y, 0, 0, 0, y * 15, time, "米");     
+              matrix[index][y] = new Box(index, y, 0, 0, NaN, y * 15, time, "米");     
             }
           }
           return;
@@ -612,7 +612,7 @@ export default {
               }
 
               let value = r.data[h][i];
-              value = value == null ? 0 : value;
+              value = value == null ? NaN : value;
               matrix[tempIndex][h] = new Box(tempIndex, h, 0, 0,  value, h * 15, time, "米"); 
             }
           }