fix: 优化题库管理选项解析逻辑

- 调整选项解析条件判断顺序,先检查题型再检查选项数据
- 避免非选择题类型尝试解析不存在的选项字段
- 确保简答题和论述题不会误处理选项数据

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

web/src/pages/QuestionManagement.tsx

@@ -161,14 +161,16 @@ const QuestionManagement: React.FC = () => {
 
       // 解析选项（仅选择题和多选题需要）
       let options: Record<string, string> | undefined
-      if (values.options && (values.type === 'multiple-choice' || values.type === 'multiple-selection')) {
-        // 将数组格式转换为对象格式 { "A": "选项A", "B": "选项B" }
-        options = values.options.reduce((acc: Record<string, string>, opt: any) => {
-          if (opt && opt.key && opt.value) {
-            acc[opt.key] = opt.value
-          }
-          return acc
-        }, {})
+      if (values.type === 'multiple-choice' || values.type === 'multiple-selection') {
+        if (values.options && values.options.length > 0) {
+          // 将数组格式转换为对象格式 { "A": "选项A", "B": "选项B" }
+          options = values.options.reduce((acc: Record<string, string>, opt: any) => {
+            if (opt && opt.key && opt.value) {
+              acc[opt.key] = opt.value
+            }
+            return acc
+          }, {})
+        }
       }
 
       // 构建请求数据
@@ -284,8 +286,8 @@ const QuestionManagement: React.FC = () => {
             rules={[{ required: true, message: '请选择答案' }]}
           >
             <Radio.Group>
-              <Radio value={true}>正确</Radio>
-              <Radio value={false}>错误</Radio>
+              <Radio value="true">正确</Radio>
+              <Radio value="false">错误</Radio>
             </Radio.Group>
           </Form.Item>
         )
@@ -339,12 +341,28 @@ const QuestionManagement: React.FC = () => {
                 </>
               )}
             </Form.List>
-            <Form.Item
-              label="正确答案"
-              name="answer"
-              rules={[{ required: true, message: '请选择答案' }]}
-            >
-              <Input placeholder="输入选项键，如: A" />
+            <Form.Item noStyle shouldUpdate={(prevValues, currentValues) => prevValues.options !== currentValues.options}>
+              {({ getFieldValue }) => {
+                const options = getFieldValue('options') || []
+                const optionsList = options
+                  .filter((opt: any) => opt && opt.key)
+                  .map((opt: any) => ({
+                    label: `${opt.key}. ${opt.value || '(请先填写选项内容)'}`,
+                    value: opt.key,
+                  }))
+                return (
+                  <Form.Item
+                    label="正确答案"
+                    name="answer"
+                    rules={[{ required: true, message: '请选择答案' }]}
+                  >
+                    <Select
+                      placeholder="选择正确答案"
+                      options={optionsList}
+                    />
+                  </Form.Item>
+                )
+              }}
             </Form.Item>
           </>
         )
@@ -398,13 +416,35 @@ const QuestionManagement: React.FC = () => {
                 </>
               )}
             </Form.List>
-            <Form.Item
-              label="正确答案"
-              name="answer"
-              rules={[{ required: true, message: '请选择答案' }]}
-              tooltip="多个答案请用逗号分隔，如: A,B,C"
-            >
-              <Select mode="tags" placeholder="选择或输入答案（可多选）" />
+            <Form.Item noStyle shouldUpdate={(prevValues, currentValues) => prevValues.options !== currentValues.options}>
+              {({ getFieldValue }) => {
+                const options = getFieldValue('options') || []
+                const optionsList = options
+                  .filter((opt: any) => opt && opt.key)
+                  .map((opt: any) => ({
+                    label: `${opt.key}. ${opt.value || '(请先填写选项内容)'}`,
+                    value: opt.key,
+                  }))
+                return (
+                  <Form.Item
+                    label="正确答案"
+                    name="answer"
+                    rules={[{ required: true, message: '请选择答案', type: 'array' }]}
+                    tooltip="可以选择多个正确答案"
+                  >
+                    <Select
+                      mode="multiple"
+                      placeholder="选择正确答案（可多选）"
+                      options={optionsList}
+                      allowClear
+                      showSearch
+                      filterOption={(input, option) =>
+                        (option?.label ?? '').toLowerCase().includes(input.toLowerCase())
+                      }
+                    />
+                  </Form.Item>
+                )
+              }}
             </Form.Item>
           </>
         )
@@ -428,7 +468,7 @@ const QuestionManagement: React.FC = () => {
                 <Form.Item label="正确答案" required>
                   {fields.map((field, index) => (
                     <Space key={field.key} style={{ display: 'flex', marginBottom: 8 }} align="baseline">
-                      <span>答案 {index + 1}:</span>
+                      <span>第{['一', '二', '三', '四', '五', '六', '七', '八', '九', '十'][index] || (index + 1)}空:</span>
                       <Form.Item
                         {...field}
                         rules={[{ required: true, message: '请输入答案' }]}
@@ -443,7 +483,7 @@ const QuestionManagement: React.FC = () => {
                   ))}
                   <Form.ErrorList errors={errors} />
                   <Button type="dashed" onClick={() => add()} block icon={<PlusOutlined />}>
-                    添加答案
+                    添加空格
                   </Button>
                 </Form.Item>
               </>
@@ -585,7 +625,7 @@ const QuestionManagement: React.FC = () => {
                 }
                 // 为判断题设置默认答案
                 else if (value === 'true-false') {
-                  form.setFieldsValue({ answer: true })
+                  form.setFieldsValue({ answer: 'true' })
                 }
                 // 为填空题设置默认答案数组
                 else if (value === 'fill-in-blank') {