diff --git a/src/app/home/home.component.html b/src/app/home/home.component.html
index 5acc7ff5346f62833364a40058b7a1400fe61df8..cb1276771ac75c23622e963d7d591a6a95056f5c 100644
--- a/src/app/home/home.component.html
+++ b/src/app/home/home.component.html
@@ -94,7 +94,7 @@ cnt:<input type="number" min="1" max="7"><br>
               {{ item2.description }}
           </td>
           <td>
-              <img [src]="pic">
+              <img [src]='pic'>
           </td>
           <td>
               {{ item.speed }} meter/sec
diff --git a/src/app/p2/p2.component.ts b/src/app/p2/p2.component.ts
index 8e555f9dc4ef08b85a44ab8b85f8dee4937d956f..7ab1980027ec2e7976c8faaa5890f68859deca0d 100644
--- a/src/app/p2/p2.component.ts
+++ b/src/app/p2/p2.component.ts
@@ -16,7 +16,7 @@ export class P2Component implements OnInit {
 
     datas: Data[] = [];
 
-    // result = 0;
+    result: any;
     total: any;
 
     message = '';
@@ -49,13 +49,12 @@ export class P2Component implements OnInit {
   }
 
     totalPrice(): void {
-      const result = 0;
       for (
         const i = 0; i < this.datas.length; i++
-      ) { const data = this.datas[i];
-        result = result + data.total;
+      ) { const data = this.datas;
+        this.result = this.result + data[i].total;
       }
-      return result;
+      return this.result;
     }
 
     deleteItem(name, i): void {
diff --git a/src/app/p3/p3.component.html b/src/app/p3/p3.component.html
index a4ccb75c5ef328241aa5b18c071ba58d232fe192..ecf06290038db69ce05a18932630d66c941bff66 100644
--- a/src/app/p3/p3.component.html
+++ b/src/app/p3/p3.component.html
@@ -1,10 +1,12 @@
 <p style="color:green">題三</p>
 
-
-  WidthLength : <input type="number" min="1" step="5" [(ngModel)]="widthLength" (change)="showPic()" ><br>
-  HeightLength : <input type="number" min="1" step="5" [(ngModel)]="heightLength" (change)="showPic()"><br>
+<p>
+  WidthLength : <input type="number" min="1" step="5"
+                [(ngModel)]="widthLength" (change)="showPic()" ><br>
+  HeightLength : <input type="number" min="1" step="5"
+                [(ngModel)]="heightLength" (change)="showPic()"><br>
 
   <img [src]='imageUrl '/>
-
+</p>
 
 <router-outlet></router-outlet>