diff --git a/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/config/WebClientThinkConfig.java b/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/config/WebClientThinkConfig.java
index c2b6a48a..6c1e1045 100644
--- a/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/config/WebClientThinkConfig.java
+++ b/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/config/WebClientThinkConfig.java
@@ -92,7 +92,7 @@ public class WebClientThinkConfig {
 								}
 								String reasoningContent = (String) delta.get("reasoning_content");
 								String content = (String) delta.get("content");
-								if (StringUtils.isNotBlank(reasoningContent) && StringUtils.isBlank(content)) {
+								if (StringUtils.isNotEmpty(reasoningContent) && StringUtils.isEmpty(content)) {
 									if (!thinkingFlag.get()) {
 										thinkingFlag.set(true);
 										delta.put("content", "<think>\n" + reasoningContent);
diff --git a/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/service/ArticleVectorStoreImpl.java b/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/service/ArticleVectorStoreImpl.java
index 247eaeeb..7b9ad5cd 100644
--- a/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/service/ArticleVectorStoreImpl.java
+++ b/modules/cms-ai/src/main/java/com/jeesite/modules/cms/ai/service/ArticleVectorStoreImpl.java
@@ -26,6 +26,9 @@ import jakarta.servlet.http.HttpServletRequest;
 import org.apache.tika.Tika;
 import org.apache.tika.config.TikaConfig;
 import org.apache.tika.exception.TikaException;
+import org.apache.tika.io.TikaInputStream;
+import org.apache.tika.metadata.Metadata;
+import org.apache.tika.mime.MediaType;
 import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -38,6 +41,7 @@ import org.springframework.stereotype.Service;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -151,7 +155,19 @@ public class ArticleVectorStoreImpl implements ArticleVectorStore {
 			 */
 			private static @NotNull String getDocumentText(InputStream is) throws IOException, TikaException {
 				TikaConfig config = TikaConfig.getDefaultConfig();
-				String content = new Tika(config).parseToString(is);
+				Tika tika = new Tika(config);
+				Metadata metadata = new Metadata();
+				TikaInputStream stream = TikaInputStream.get(is);
+				MediaType mimetype = tika.getDetector().detect(stream, metadata);
+				if (mimetype != null && StringUtils.equals(mimetype.getType(), "text")) {
+					String text = IOUtils.toString(stream, StandardCharsets.UTF_8);
+					if (StringUtils.isNotBlank(text)) {
+						return FlexmarkHtmlConverter.builder().build().convert(text);
+					} else {
+						return text;
+					}
+				}
+				String content = tika.parseToString(stream, metadata);
 				return content.lines()
 					.map(String::strip).filter(line -> !line.isEmpty())
 					.reduce((a, b) -> a + System.lineSeparator() + b)