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				@@ -16,7 +16,7 @@ 
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				                 <ion-menu-button></ion-menu-button> 
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				             </ion-buttons> 
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				             <ion-searchbar [(ngModel)]="searchInput" (ionChange)="search()" (ionClear)="search()" 
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				-                placeholder="今天想学什么呢?"></ion-searchbar> 
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				+                placeholder="小猫咪不能吃胡萝卜?"></ion-searchbar> 
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				         </ion-toolbar> 
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				     </ion-header> 
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				     <!--课程卡片区--> 
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				@@ -27,35 +27,25 @@ 
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				                     <ng-container *ngIf="i % 2 === 0"> 
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				                         <ion-col size="5.5"> 
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				                             <ion-card (click)="goLessonDetail(course)"> 
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				-                                <img alt="Silhouette of mountains" [src]="course?.get('courseImg')" /> 
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				+                                <img alt="Silhouette of mountains" [src]="course?.get('foodImg')" /> 
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				                                 <ion-card-header> 
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				-                                    <ion-card-title>{{course?.get("courseName")}}</ion-card-title> 
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				-                                    <ion-card-subtitle>评分:{{course?.get("courseScore")}}</ion-card-subtitle> 
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				+                                    <ion-card-title>{{course?.get("foodName")}}</ion-card-title> 
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				                                 </ion-card-header> 
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				                             </ion-card> 
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				                         </ion-col> 
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				                         <ion-col size="5.5" *ngIf="i + 1 < courseList.length"> 
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				                             <ion-card (click)="goLessonDetail(courseList[i+1])"> 
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				-                                <img alt="Silhouette of mountains" [src]="courseList[i + 1].get('courseImg')" /> 
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				+                                <img alt="Silhouette of mountains" [src]="courseList[i + 1].get('foodImg')" /> 
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				                                 <ion-card-header> 
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				-                                    <ion-card-title>{{courseList[i + 
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				-                                        1].get("courseName")}}</ion-card-title> 
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				-                                    <ion-card-subtitle>评分:{{courseList[i+1].get("courseScore")}}</ion-card-subtitle> 
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				+                                    <ion-card-title>{{courseList[i +1].get("foodName")}}</ion-card-title> 
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				                                 </ion-card-header> 
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				- 
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				                             </ion-card> 
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				- 
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				                         </ion-col> 
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				                     </ng-container> 
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				                 </ng-container> 
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				             </ion-row> 
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				         </ion-grid> 
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				     </ion-content> 
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				-    <!-- 触底控制区域 --> 
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				-    <ion-infinite-scroll #infiScroll (ionInfinite)="onBottomLoad($event,infiScroll)"> 
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				-        <ion-infinite-scroll-content loadingText="Please wait..." 
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				-            loadingSpinner="bubbles"></ion-infinite-scroll-content> 
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				-    </ion-infinite-scroll> 
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				-    <!-- <div class="navfooter"> </div> --> 
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				+ 
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				 </div> 
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