修复bug

pages/revenueRankingPage/revenueRankingPage.vue

@@ -77,7 +77,10 @@
 		},
 		filters:{
 			nameFilter(val){
-				return val.charAt(0)+("*".repeat(val.length-1))
+				if(val){
+					return val.charAt(0)+("*".repeat(val.length-1))
+				}
+				return ""
 			}
 		},
 		components:{