修复WBS编码: 分支1→分支1.1层级正确(prefix空字符串处理)

track-uniapp/src/pages/scan/components/WorkspaceArea.vue

@@ -143,16 +143,15 @@ export default {
       const traverse = (tasks, prefix) => {
         if (!tasks) return;
         tasks.forEach((t, i) => {
-          if (prefix === '') {
-            map[t.id] = '主分支';
-          } else {
-            map[t.id] = `分支 ${prefix}${i + 1}`;
-          }
-          const nextPrefix = prefix === '' ? `${i + 1}.` : `${prefix}${i + 1}.`;
-          traverse(t.child_tasks, nextPrefix);
+          const num = prefix ? `${prefix}.${i + 1}` : `${i + 1}`;
+          map[t.id] = `分支 ${num}`;
+          traverse(t.child_tasks, num);
         });
       };
-      traverse(this.product.task_tree, '');
+      this.product.task_tree.forEach((t, i) => {
+        map[t.id] = '主分支';
+        traverse(t.child_tasks, '');
+      });
       return map;
     },
   },