diff --git a/src/api/aiTrainingEvaluation.js b/src/api/aiTrainingEvaluation.js
index 413cae0..4a3ef50 100644
--- a/src/api/aiTrainingEvaluation.js
+++ b/src/api/aiTrainingEvaluation.js
@@ -7,10 +7,11 @@ export function getAiTrainingEvaluation(taskKey) {
   });
 }
 
-export function requestAiTrainingHelp(taskKey) {
+export function requestAiTrainingHelp(taskKey, question) {
   return request({
     url: `/api/student/training-tasks/${taskKey}/ai-evaluation/help`,
     method: "post",
+    data: { question },
     headers: { repeatSubmit: false },
   });
 }
diff --git a/src/views/components/TrainingAiSidebar.vue b/src/views/components/TrainingAiSidebar.vue
index 430c279..d70250b 100644
--- a/src/views/components/TrainingAiSidebar.vue
+++ b/src/views/components/TrainingAiSidebar.vue
@@ -124,15 +124,20 @@ function useReferencePrompt() {
 
 async function requestAssist() {
   emit("request-assist", assistQuestion.value);
+  const question = assistQuestion.value.trim();
+  if (!question) {
+    assistMessage.value = "请输入问题，或点击上方参考提示词后发送。";
+    return;
+  }
   if (currentTaskKey.value) {
     try {
-      await requestAiTrainingHelp(currentTaskKey.value);
+      await requestAiTrainingHelp(currentTaskKey.value, question);
       await loadEvaluation();
       assistMessage.value = reports.value.helpReport || props.assistText;
       return;
     } catch (error) {}
   }
-  assistMessage.value = assistQuestion.value ? `围绕“${assistQuestion.value}”，建议先对照任务目标检查信息是否完整，再补充数据依据和分析结论。` : props.assistText;
+  assistMessage.value = `围绕“${question}”，建议先对照任务目标检查信息是否完整，再补充数据依据和分析结论。`;
 }
 
 async function requestEvaluation() {
diff --git a/tests/ai-training-evaluation.static.test.cjs b/tests/ai-training-evaluation.static.test.cjs
index 799392c..1c486bb 100644
--- a/tests/ai-training-evaluation.static.test.cjs
+++ b/tests/ai-training-evaluation.static.test.cjs
@@ -13,6 +13,11 @@ assert(/`\/api\/student\/training-tasks\/\$\{taskKey\}\/ai-evaluation`/.test(api
 assert(/\/help/.test(api) && /\/assessment/.test(api), "evaluation API should expose help and assessment operations");
 assert(/TrainingAiSidebar/.test(page) && /:has-saved-answer="hasSavedAnswer"/.test(page), "generic training page should pass persisted answer state to the AI sidebar");
 assert(/form\.value/.test(page) && /workRows\.value/.test(page) && /processRows\.value/.test(page), "hasAnyAnswer should inspect all supported answer shapes");
+assert(/requestAiTrainingHelp\(taskKey, question\)/.test(api), "AI help API should accept the student's question");
+assert(/data:\s*\{\s*question\s*\}/.test(api), "AI help API should submit the student's question as JSON");
+assert(/const question = assistQuestion\.value\.trim\(\)/.test(sidebar), "AI sidebar should trim the student's question before sending it");
+assert(/if \(!question\)/.test(sidebar), "AI sidebar should block an empty AI help question");
+assert(/requestAiTrainingHelp\(currentTaskKey\.value, question\)/.test(sidebar), "AI sidebar should send the trimmed question to AI help");
 
 assert(/onMounted\(/.test(component) && /watch\(\s*\(\)\s*=>\s*props\.taskKey/.test(component), "AI evaluation should load on mount and task changes");
 assert(/AI助学/.test(component) && /AI助评/.test(component), "AI evaluation should offer separate help and assessment controls");