Allan

這類驗證碼每個文字扭曲同時字距很接近，幾乎無法正確識別 

Unhandled Exception: Exception: Animated list state not found from GlobalKey<AnimatedListState>

6

My code: `for (var element in _rootNode.childrenAsList) { if (element.key == parentKey.toString()) { try { element .add(TreeNode(key: context.uid.toString())); } catch (e) {} return; } }` Exception: [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Exception:...