diff --git a/api/routes/search.py b/api/routes/search.py
index 3d28122..50e586f 100644
--- a/api/routes/search.py
+++ b/api/routes/search.py
@@ -24,8 +24,8 @@ def extract_request_info(request: Request) -> tuple[str, str]:
     # Try to get request ID from headers
     reqid = request.headers.get('X-Request-ID') or str(uuid.uuid4())[:8]
 
-    # Try to get user ID from headers or default to anonymous
-    uid = request.headers.get('X-User-ID') or request.headers.get('User-ID') or 'anonymous'
+    # Try to get user ID from headers; if not found, use "-1" for correlation
+    uid = request.headers.get('X-User-ID') or request.headers.get('User-ID') or "-1"
 
     return reqid, uid
 
@@ -70,10 +70,24 @@ async def search(request: SearchRequest, http_request: Request):
     set_current_request_context(context)
 
     try:
-        # Log request start
+        # Log request start (English logs, with key search parameters)
+        client_ip = http_request.client.host if http_request.client else "unknown"
+        user_agent = http_request.headers.get("User-Agent", "unknown")[:200]
         context.logger.info(
-            f"收到搜索请求 | Tenant: {tenant_id} | IP: {http_request.client.host if http_request.client else 'unknown'} | "
-            f"用户代理: {http_request.headers.get('User-Agent', 'unknown')[:100]}",
+            "Received search request | "
+            f"Tenant: {tenant_id} | "
+            f"Query: {request.query} | "
+            f"IP: {client_ip} | "
+            f"User agent: {user_agent} | "
+            f"size: {request.size} | from: {request.from_} | "
+            f"sort_by: {request.sort_by} | sort_order: {request.sort_order} | "
+            f"min_score: {request.min_score} | "
+            f"language: {request.language} | "
+            f"debug: {request.debug} | "
+            f"sku_filter_dimension: {request.sku_filter_dimension} | "
+            f"filters: {request.filters} | "
+            f"range_filters: {request.range_filters} | "
+            f"facets: {request.facets}",
             extra={'reqid': context.reqid, 'uid': context.uid}
         )
 
@@ -121,7 +135,7 @@ async def search(request: SearchRequest, http_request: Request):
         if context:
             context.set_error(e)
             context.logger.error(
-                f"搜索请求失败 | 错误: {str(e)}",
+                f"Search request failed | error: {str(e)}",
                 extra={'reqid': context.reqid, 'uid': context.uid}
             )
         raise HTTPException(status_code=500, detail=str(e))
@@ -164,10 +178,13 @@ async def search_by_image(request: ImageSearchRequest, http_request: Request):
     set_current_request_context(context)
 
     try:
-        # Log request start
+        # Log request start for image search (English)
+        client_ip = http_request.client.host if http_request.client else "unknown"
         context.logger.info(
-            f"收到图片搜索请求 | Tenant: {tenant_id} | 图片URL: {request.image_url} | "
-            f"IP: {http_request.client.host if http_request.client else 'unknown'}",
+            "Received image search request | "
+            f"Tenant: {tenant_id} | "
+            f"Image URL: {request.image_url} | "
+            f"IP: {client_ip}",
             extra={'reqid': context.reqid, 'uid': context.uid}
         )
 
@@ -202,7 +219,7 @@ async def search_by_image(request: ImageSearchRequest, http_request: Request):
         if context:
             context.set_error(e)
             context.logger.error(
-                f"图片搜索请求参数错误 | 错误: {str(e)}",
+                f"Image search request parameter error | error: {str(e)}",
                 extra={'reqid': context.reqid, 'uid': context.uid}
             )
         raise HTTPException(status_code=400, detail=str(e))
@@ -210,7 +227,7 @@ async def search_by_image(request: ImageSearchRequest, http_request: Request):
         if context:
             context.set_error(e)
             context.logger.error(
-                f"图片搜索请求失败 | 错误: {str(e)}",
+                f"Image search request failed | error: {str(e)}",
                 extra={'reqid': context.reqid, 'uid': context.uid}
             )
         raise HTTPException(status_code=500, detail=str(e))
diff --git a/context/request_context.py b/context/request_context.py
index bb24309..b37e82b 100644
--- a/context/request_context.py
+++ b/context/request_context.py
@@ -59,9 +59,10 @@ class RequestContext:
     """
 
     def __init__(self, reqid: str = None, uid: str = None):
-        # 生成唯一请求ID
+        # 生成唯一请求ID；如果外部未提供，则自动生成
+        # 如果无法获取到 uid，则使用 "-1" 作为占位，用于日志关联
         self.reqid = reqid or str(uuid.uuid4())[:8]
-        self.uid = uid or 'anonymous'
+        self.uid = uid or "-1"
 
         # 查询分析结果
         self.query_analysis = QueryAnalysisResult()
@@ -111,7 +112,10 @@ class RequestContext:
         """
         start_time = time.time()
         self.performance_metrics.stage_start_times[stage.value] = start_time
-        self.logger.debug(f"开始阶段 | {stage.value}", extra={'reqid': self.reqid, 'uid': self.uid})
+        self.logger.debug(
+            f"Start stage | {stage.value}",
+            extra={'reqid': self.reqid, 'uid': self.uid}
+        )
         return start_time
 
     def end_stage(self, stage: RequestContextStage) -> float:
@@ -125,7 +129,10 @@ class RequestContext:
             阶段耗时（毫秒）
         """
         if stage.value not in self.performance_metrics.stage_start_times:
-            self.logger.warning(f"阶段未开始计时 | {stage.value}", extra={'reqid': self.reqid, 'uid': self.uid})
+            self.logger.warning(
+                f"Stage not started | {stage.value}",
+                extra={'reqid': self.reqid, 'uid': self.uid}
+            )
             return 0.0
 
         start_time = self.performance_metrics.stage_start_times[stage.value]
@@ -133,7 +140,7 @@ class RequestContext:
         self.performance_metrics.stage_timings[stage.value] = duration_ms
 
         self.logger.debug(
-            f"结束阶段 | {stage.value} | 耗时: {duration_ms:.2f}ms",
+            f"End stage | {stage.value} | duration: {duration_ms:.2f}ms",
             extra={'reqid': self.reqid, 'uid': self.uid}
         )
         return duration_ms
@@ -162,7 +169,7 @@ class RequestContext:
                 setattr(self.query_analysis, key, value)
             else:
                 self.logger.warning(
-                    f"未知的查询分析字段 | {key}",
+                    f"Unknown query analysis field | {key}",
                     extra={'reqid': self.reqid, 'uid': self.uid}
                 )
 
@@ -175,7 +182,10 @@ class RequestContext:
             value: 结果值
         """
         self.intermediate_results[key] = value
-        self.logger.debug(f"存储中间结果 | {key}", extra={'reqid': self.reqid, 'uid': self.uid})
+        self.logger.debug(
+            f"Store intermediate result | {key}",
+            extra={'reqid': self.reqid, 'uid': self.uid}
+        )
 
     def get_intermediate_result(self, key: str, default: Any = None) -> Any:
         """
@@ -213,7 +223,7 @@ class RequestContext:
             'details': {}
         }
         self.logger.error(
-            f"设置错误信息 | {type(error).__name__}: {str(error)}",
+            f"Set error info | {type(error).__name__}: {str(error)}",
             extra={'reqid': self.reqid, 'uid': self.uid}
         )
 
@@ -286,13 +296,13 @@ class RequestContext:
 
         # 构建详细的日志消息
         msg_parts = [
-            f"搜索请求性能摘要 | reqid: {self.reqid}",
-            f"总耗时: {summary['performance']['total_duration_ms']:.2f}ms"
+            f"Search request performance summary | reqid: {self.reqid}",
+            f"Total duration: {summary['performance']['total_duration_ms']:.2f}ms"
         ]
 
         # 添加各阶段耗时
         if summary['performance']['stage_timings_ms']:
-            msg_parts.append("阶段耗时:")
+            msg_parts.append("Stage durations:")
             for stage, duration in summary['performance']['stage_timings_ms'].items():
                 percentage = summary['performance']['stage_percentages'].get(stage, 0)
                 msg_parts.append(f"  - {stage}: {duration:.2f}ms ({percentage}%)")
@@ -300,25 +310,26 @@ class RequestContext:
         # 添加查询信息
         if summary['query_analysis']['original_query']:
             msg_parts.append(
-                f"查询: '{summary['query_analysis']['original_query']}' "
+                "Query: "
+                f"'{summary['query_analysis']['original_query']}' "
                 f"-> '{summary['query_analysis']['rewritten_query']}' "
                 f"({summary['query_analysis']['detected_language']})"
             )
 
         # 添加结果统计
         msg_parts.append(
-            f"结果: {summary['results']['total_hits']} hits "
-            f"ES查询: {summary['results']['es_query_size']} chars"
+            f"Results: {summary['results']['total_hits']} hits "
+            f"ES query size: {summary['results']['es_query_size']} chars"
         )
 
         # 添加错误信息（如果有）
         if summary['request_info']['has_error']:
             error_info = self.metadata['error_info']
-            msg_parts.append(f"错误: {error_info['type']}: {error_info['message']}")
+            msg_parts.append(f"Error: {error_info['type']}: {error_info['message']}")
 
         # 添加警告信息（如果有）
         if summary['request_info']['warnings_count'] > 0:
-            msg_parts.append(f"警告: {summary['request_info']['warnings_count']} 个")
+            msg_parts.append(f"Warnings: {summary['request_info']['warnings_count']}")
 
         log_message = " | ".join(msg_parts)
 
diff --git a/search/searcher.py b/search/searcher.py
index dd79fb5..c81afea 100644
--- a/search/searcher.py
+++ b/search/searcher.py
@@ -5,7 +5,7 @@ Handles query parsing, boolean expressions, ranking, and result formatting.
 """
 
 from typing import Dict, Any, List, Optional, Union
-import time
+import time, json
 import logging
 
 from utils.es_client import ESClient
@@ -305,14 +305,14 @@ class Searcher:
             context.store_intermediate_result('es_query', es_query)
             context.store_intermediate_result('es_body_for_search', body_for_es)
 
+            # Serialize ES query as a compact JSON string (no spaces or newlines)
+            es_query_compact = json.dumps(es_query, ensure_ascii=False, separators=(',', ':'))
+
             context.logger.info(
-                f"ES查询构建完成 | 大小: {len(str(es_query))}字符 | "
-                f"KNN: {'是' if enable_embedding and parsed_query.query_vector is not None else '否'} | "
-                f"分面: {'是' if facets else '否'}",
-                extra={'reqid': context.reqid, 'uid': context.uid}
-            )
-            context.logger.debug(
-                f"ES查询详情: {es_query}",
+                f"ES query built | size: {len(es_query_compact)} chars | "
+                f"KNN: {'yes' if enable_embedding and parsed_query.query_vector is not None else 'no'} | "
+                f"facets: {'yes' if facets else 'no'} | "
+                f"query: {es_query_compact}",
                 extra={'reqid': context.reqid, 'uid': context.uid}
             )
         except Exception as e:
diff --git a/utils/logger.py b/utils/logger.py
index 509a693..718947d 100644
--- a/utils/logger.py
+++ b/utils/logger.py
@@ -38,10 +38,11 @@ class StructuredFormatter(logging.Formatter):
         # Add request context if available
         reqid = getattr(record, 'reqid', None)
         uid = getattr(record, 'uid', None)
-        if reqid or uid:
+        if reqid is not None or uid is not None:
+            # Normalize missing values to "-1" for easier correlation
             log_entry['request_context'] = {
-                'reqid': reqid,
-                'uid': uid
+                'reqid': reqid if reqid is not None else "-1",
+                'uid': uid if uid is not None else "-1"
             }
 
         # Add extra data if available
@@ -98,13 +99,31 @@ class RequestContextFilter(logging.Filter):
             from context.request_context import get_current_request_context
             context = get_current_request_context()
             if context:
-                record.reqid = context.reqid
-                record.uid = context.uid
+                # Ensure every request-scoped log record carries reqid/uid.
+                # If they are missing in the context, fall back to "-1".
+                record.reqid = getattr(context, "reqid", None) or "-1"
+                record.uid = getattr(context, "uid", None) or "-1"
         except (ImportError, AttributeError):
             pass
         return True
 
 
+class ContextAwareConsoleFormatter(logging.Formatter):
+    """
+    Console formatter that injects reqid/uid into the log line.
+
+    For non-request logs (no context), reqid/uid will be "-1".
+    """
+
+    def format(self, record: logging.LogRecord) -> str:
+        # Provide safe defaults so format string never fails
+        if not hasattr(record, "reqid"):
+            record.reqid = "-1"
+        if not hasattr(record, "uid"):
+            record.uid = "-1"
+        return super().format(record)
+
+
 def setup_logging(
     log_level: str = "INFO",
     log_dir: str = "logs",
@@ -137,8 +156,8 @@ def setup_logging(
 
     # Create formatters
     structured_formatter = StructuredFormatter()
-    console_formatter = logging.Formatter(
-        '%(asctime)s | %(levelname)-8s | %(name)-15s | %(message)s'
+    console_formatter = ContextAwareConsoleFormatter(
+        '%(asctime)s | reqid:%(reqid)s | uid:%(uid)s | %(levelname)-8s | %(name)-15s | %(message)s'
     )
 
     # Add console handler
--
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