diff --git a/backend/src/main/java/com/zl/mjga/model/urp/Actions.java b/backend/src/main/java/com/zl/mjga/model/urp/Actions.java
index 30ec51c..8344b61 100644
--- a/backend/src/main/java/com/zl/mjga/model/urp/Actions.java
+++ b/backend/src/main/java/com/zl/mjga/model/urp/Actions.java
@@ -6,8 +6,7 @@ import lombok.Getter;
 @AllArgsConstructor
 @Getter
 public enum Actions {
-  CREATE_USER("CREATE_USER", "创建新用户"),
-  DELETE_USER("DELETE_USER", "删除用户");
+  CREATE_USER("CREATE_USER", "创建新用户");
   public static final String INDEX_KEY = "action";
   private final String code;
   private final String content;
diff --git a/backend/src/main/java/com/zl/mjga/service/EmbeddingService.java b/backend/src/main/java/com/zl/mjga/service/EmbeddingService.java
index d13e109..5711f9a 100644
--- a/backend/src/main/java/com/zl/mjga/service/EmbeddingService.java
+++ b/backend/src/main/java/com/zl/mjga/service/EmbeddingService.java
@@ -35,6 +35,7 @@ public class EmbeddingService {
     EmbeddingSearchRequest embeddingSearchRequest =
         EmbeddingSearchRequest.builder()
             .queryEmbedding(zhipuEmbeddingModel.embed(message).content())
+                .minScore(0.9)
             .build();
     EmbeddingSearchResult<TextSegment> embeddingSearchResult =
         zhiPuEmbeddingStore.search(embeddingSearchRequest);
diff --git a/frontend/src/composables/ai/useAiChat.ts b/frontend/src/composables/ai/useAiChat.ts
index 5d1ca91..f9092f9 100644
--- a/frontend/src/composables/ai/useAiChat.ts
+++ b/frontend/src/composables/ai/useAiChat.ts
@@ -51,6 +51,7 @@ export const useAiChat = () => {
 			});
 		} catch (error) {
 			messages.value.pop();
+			throw error;
 		} finally {
 			isLoading.value = false;
 		}
@@ -65,7 +66,7 @@ export const useAiChat = () => {
 			messages.value.push({
 				content: data?.action
 					? "接收到指令，请您执行。"
-					: "未找到有效指令，请重新输入。",
+					: "未找到有效指令，请告诉我更加准确的信息。",
 				type: "action",
 				isUser: false,
 				username: "知路智能体",
diff --git a/frontend/src/views/AiChatView.vue b/frontend/src/views/AiChatView.vue
index bfb86f6..181d3e7 100644
--- a/frontend/src/views/AiChatView.vue
+++ b/frontend/src/views/AiChatView.vue
@@ -183,17 +183,17 @@ const chatByMode = async (message: string) => {
 	});
 	if (isCommandMode.value) {
 		await actionChat(message);
-	} else {
-		if (isLoading.value) {
-			abortChat();
-		} else {
-			await chat(message);
-		}
+	} else {	
+		await chat(message);
 	}
 };
 
 const handleSendClick = async () => {
 	scrollToBottom();
+  if (isLoading.value) {
+    abortChat();
+    return;
+  }
 	const validInputMessage = z
 		.string({ message: "消息不能为空" })
 		.min(1, "消息不能为空")