deepseek default model

long-article-recommend-service/src/main/java/com/tzld/longarticle/recommend/server/remote/DeepSeekApiService.java

@@ -9,6 +9,7 @@ import com.tzld.longarticle.recommend.server.util.MapBuilder;
 import lombok.extern.slf4j.Slf4j;
 import okhttp3.*;
 import org.apache.http.util.TextUtils;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.PostConstruct;
@@ -22,6 +23,9 @@ public class DeepSeekApiService {
 
     private OkHttpClient client;
 
+    @Value("${deepseek.default.model:deepseek-v4-flash}")
+    private String defaultModel;
+
     @PostConstruct
     public void init() {
         client = new OkHttpClient().newBuilder()
@@ -48,7 +52,7 @@ public class DeepSeekApiService {
 
             Map<Object, Object> bodyParam = MapBuilder
                     .builder()
-                    .put("model", Optional.ofNullable(model).orElse("deepseek-chat"))
+                    .put("model", Optional.ofNullable(model).orElse(defaultModel))
                     .put("temperature", Optional.ofNullable(temperature).orElse(0.3))
                     .put("messages", jsonArray)
                     .build();