修复NULL指针

ask-data-ai/ask-data-ai-biz/src/main/java/com/ask/controller/ChatController.java

@@ -124,12 +124,16 @@ public class ChatController {
                 .stream()
                 .chatResponse()
                 .map(response -> {
-                    AssistantMessage assistantMessage = response.getResult().getOutput();
                     ChatResult result = new ChatResult();
-                    if (assistantMessage instanceof DeepSeekAssistantMessage) {
-                        result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                    if (response.getResult() != null && response.getResult().getOutput() != null) {
+                        AssistantMessage assistantMessage = response.getResult().getOutput();
+                        if (assistantMessage instanceof DeepSeekAssistantMessage) {
+                            result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                        }
+                        result.setMessage(assistantMessage.getText());
+                    } else {
+                        result.setMessage(""); // 设置为空字符串避免null
                     }
-                    result.setMessage(assistantMessage.getText());
                     return result;
                 });
 
@@ -177,14 +181,18 @@ public class ChatController {
                 .stream()
                 .chatResponse()
                 .map(response -> {
-                    AssistantMessage assistantMessage = response.getResult().getOutput();
                     ChatResult result = new ChatResult();
-                    if (assistantMessage instanceof DeepSeekAssistantMessage) {
-                        result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
-                    }
-                    result.setMessage(assistantMessage.getText());
-                    if (StringUtils.isNotBlank(assistantMessage.getText())) {
-                        contentBuilder.append(assistantMessage.getText());
+                    if (response.getResult() != null && response.getResult().getOutput() != null) {
+                        AssistantMessage assistantMessage = response.getResult().getOutput();
+                        if (assistantMessage instanceof DeepSeekAssistantMessage) {
+                            result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                        }
+                        result.setMessage(assistantMessage.getText());
+                        if (StringUtils.isNotBlank(assistantMessage.getText())) {
+                            contentBuilder.append(assistantMessage.getText());
+                        }
+                    } else {
+                        result.setMessage(""); // 设置为空字符串避免null
                     }
                     return result;
                 })
@@ -216,16 +224,19 @@ public class ChatController {
                 .advisors(messageChatMemoryAdvisor)
                 .advisors(a -> a.param(ChatMemory.CONVERSATION_ID, conversationId))
                 .tools(excelTools)
-                .advisors()
                 .stream()
                 .chatResponse()
                 .map(response -> {
-                    AssistantMessage assistantMessage = response.getResult().getOutput();
                     ChatResult result = new ChatResult();
-                    if (assistantMessage instanceof DeepSeekAssistantMessage) {
-                        result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                    if (response.getResult() != null && response.getResult().getOutput() != null) {
+                        AssistantMessage assistantMessage = response.getResult().getOutput();
+                        if (assistantMessage instanceof DeepSeekAssistantMessage) {
+                            result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                        }
+                        result.setMessage(assistantMessage.getText());
+                    } else {
+                        result.setMessage(""); // 设置为空字符串避免null
                     }
-                    result.setMessage(assistantMessage.getText());
                     return result;
                 });
 
@@ -271,12 +282,16 @@ public class ChatController {
                 .stream()
                 .chatResponse()
                 .map(response -> {
-                    AssistantMessage assistantMessage = response.getResult().getOutput();
                     ChatResult result = new ChatResult();
-                    if (assistantMessage instanceof DeepSeekAssistantMessage) {
-                        result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                    if (response.getResult() != null && response.getResult().getOutput() != null) {
+                        AssistantMessage assistantMessage = response.getResult().getOutput();
+                        if (assistantMessage instanceof DeepSeekAssistantMessage) {
+                            result.setReasoningContent(((DeepSeekAssistantMessage) assistantMessage).getReasoningContent());
+                        }
+                        result.setMessage(assistantMessage.getText());
+                    } else {
+                        result.setMessage(""); // 设置为空字符串避免null
                     }
-                    result.setMessage(assistantMessage.getText());
                     return result;
                 });