测试修改

backend/rag_core/config.py

@@ -6,7 +6,8 @@ RAG Core 配置管理模块
 """
 
 import os
-
+import dotenv
+dotenv.load_dotenv()
 
 # ========== 辅助函数：类型转换 ==========
 def _get_str(key: str) -> str | None:

backend/rag_core/embedders.py

@@ -21,6 +21,9 @@ class LlamaCppEmbedder:
         self.base_url = LLAMACPP_EMBEDDING_URL
         self.api_key = LLAMACPP_API_KEY
         self.model = model
+        print(f"初始化 base_url: { self.base_url}")
+
+
 
     def as_langchain_embeddings(self) -> Embeddings:
         """创建 LangChain 兼容的嵌入实例。"""
@@ -41,13 +44,14 @@ class LlamaCppEmbedder:
 
     def _call_embedding_api(self, texts: List[str]) -> List[List[float]]:
         """直接调用 llama.cpp 嵌入 API。"""
+        headers = {"Content-Type": "application/json"}
+        if self.api_key:
+            headers["Authorization"] = f"Bearer {self.api_key}"
+
         base = self.base_url.rstrip("/")
         if not base.endswith("/v1"):
             base = base + "/v1"
 
-        headers = {"Content-Type": "application/json"}
-        if self.api_key:
-            headers["Authorization"] = f"Bearer {self.api_key}"
 
         payload = {
             "input": texts,