fix gamebuckect single data bug

src/views/gambleGameBucket/detail/index.vue

               this.rowspan = ${this.group[i].length},
               this.colspan = 1
             }`
-          } else if (i === this.group.length - 1) {
-            this.statement +=
-            `else if(this.rowIndex === ${this._sum(i)}){
-              this.rowspan = ${this.group[i].length},
-              this.colspan = 1
-            }else {
-              this.rowspan = 0,
-              this.colspan = 0
-            }`
           } else {
             this.statement +=
             `else if(this.rowIndex === ${this._sum(i)}){
               this.colspan = 1 
             }`
           }
+          if (i === this.group.length - 1) {
+            this.statement +=
+            `else {
+              this.rowspan = 0,
+              this.colspan = 0
+            }`
+          }
         }
 
         this.func = eval(`(function() {${this.statement}})`)