diff --git a/spring-ai-alibaba-core/src/main/java/com/alibaba/cloud/ai/dashscope/api/DashScopeAiStreamFunctionCallingHelper.java b/spring-ai-alibaba-core/src/main/java/com/alibaba/cloud/ai/dashscope/api/DashScopeAiStreamFunctionCallingHelper.java
index 831250f3bb32bb5563fd896cab31605dc7778871..d640a300e9bd811da4d89c3f7ddadc5836a8b72b 100644
--- a/spring-ai-alibaba-core/src/main/java/com/alibaba/cloud/ai/dashscope/api/DashScopeAiStreamFunctionCallingHelper.java
+++ b/spring-ai-alibaba-core/src/main/java/com/alibaba/cloud/ai/dashscope/api/DashScopeAiStreamFunctionCallingHelper.java
@@ -109,7 +109,7 @@ public class DashScopeAiStreamFunctionCallingHelper {
 				toolCalls.addAll(previous.toolCalls().subList(0, previous.toolCalls().size() - 1));
 			}
 		}
-		if (current.toolCalls() != null) {
+		if (current.toolCalls() != null && !current.toolCalls().isEmpty()) {
 			if (current.toolCalls().size() > 1) {
 				throw new IllegalStateException("Currently only one tool call is supported per message!");
 			}
@@ -163,7 +163,7 @@ public class DashScopeAiStreamFunctionCallingHelper {
 	 */
 	public boolean isStreamingToolFunctionCall(ChatCompletionChunk chatCompletion) {
 
-		if (chatCompletion == null || CollectionUtils.isEmpty(chatCompletion.output().choices())) {
+		if (chatCompletion == null || chatCompletion.output()==null || CollectionUtils.isEmpty(chatCompletion.output().choices())) {
 			return false;
 		}
 
@@ -181,7 +181,7 @@ public class DashScopeAiStreamFunctionCallingHelper {
 	 */
 	public boolean isStreamingToolFunctionCallFinish(ChatCompletionChunk chatCompletion) {
 
-		if (chatCompletion == null || CollectionUtils.isEmpty(chatCompletion.output().choices())) {
+		if (chatCompletion == null || chatCompletion.output()==null || CollectionUtils.isEmpty(chatCompletion.output().choices())) {
 			return false;
 		}