diff --git a/backend/internal/handler/gateway_handler.go b/backend/internal/handler/gateway_handler.go
index 831029c4..b5250aad 100644
--- a/backend/internal/handler/gateway_handler.go
+++ b/backend/internal/handler/gateway_handler.go
@@ -1219,6 +1219,10 @@ func (h *GatewayHandler) handleFailoverExhausted(c *gin.Context, failoverErr *se
 		}
 	}
 
+	// 记录原始上游状态码，以便 ops 错误日志捕获真实的上游错误
+	upstreamMsg := service.ExtractUpstreamErrorMessage(responseBody)
+	service.SetOpsUpstreamError(c, statusCode, upstreamMsg, "")
+
 	// 使用默认的错误映射
 	status, errType, errMsg := h.mapUpstreamError(statusCode)
 	h.handleStreamingAwareError(c, status, errType, errMsg, streamStarted)
@@ -1227,6 +1231,7 @@ func (h *GatewayHandler) handleFailoverExhausted(c *gin.Context, failoverErr *se
 // handleFailoverExhaustedSimple 简化版本，用于没有响应体的情况
 func (h *GatewayHandler) handleFailoverExhaustedSimple(c *gin.Context, statusCode int, streamStarted bool) {
 	status, errType, errMsg := h.mapUpstreamError(statusCode)
+	service.SetOpsUpstreamError(c, statusCode, errMsg, "")
 	h.handleStreamingAwareError(c, status, errType, errMsg, streamStarted)
 }
 
diff --git a/backend/internal/handler/gemini_v1beta_handler.go b/backend/internal/handler/gemini_v1beta_handler.go
index cfe80911..fb231898 100644
--- a/backend/internal/handler/gemini_v1beta_handler.go
+++ b/backend/internal/handler/gemini_v1beta_handler.go
@@ -593,6 +593,10 @@ func (h *GatewayHandler) handleGeminiFailoverExhausted(c *gin.Context, failoverE
 		}
 	}
 
+	// 记录原始上游状态码，以便 ops 错误日志捕获真实的上游错误
+	upstreamMsg := service.ExtractUpstreamErrorMessage(responseBody)
+	service.SetOpsUpstreamError(c, statusCode, upstreamMsg, "")
+
 	// 使用默认的错误映射
 	status, message := mapGeminiUpstreamError(statusCode)
 	googleError(c, status, message)
diff --git a/backend/internal/handler/openai_gateway_handler.go b/backend/internal/handler/openai_gateway_handler.go
index c681e61d..ec957feb 100644
--- a/backend/internal/handler/openai_gateway_handler.go
+++ b/backend/internal/handler/openai_gateway_handler.go
@@ -1435,6 +1435,10 @@ func (h *OpenAIGatewayHandler) handleFailoverExhausted(c *gin.Context, failoverE
 		}
 	}
 
+	// 记录原始上游状态码，以便 ops 错误日志捕获真实的上游错误
+	upstreamMsg := service.ExtractUpstreamErrorMessage(responseBody)
+	service.SetOpsUpstreamError(c, statusCode, upstreamMsg, "")
+
 	// 使用默认的错误映射
 	status, errType, errMsg := h.mapUpstreamError(statusCode)
 	h.handleStreamingAwareError(c, status, errType, errMsg, streamStarted)
@@ -1443,6 +1447,7 @@ func (h *OpenAIGatewayHandler) handleFailoverExhausted(c *gin.Context, failoverE
 // handleFailoverExhaustedSimple 简化版本，用于没有响应体的情况
 func (h *OpenAIGatewayHandler) handleFailoverExhaustedSimple(c *gin.Context, statusCode int, streamStarted bool) {
 	status, errType, errMsg := h.mapUpstreamError(statusCode)
+	service.SetOpsUpstreamError(c, statusCode, errMsg, "")
 	h.handleStreamingAwareError(c, status, errType, errMsg, streamStarted)
 }
 
diff --git a/backend/internal/handler/sora_gateway_handler.go b/backend/internal/handler/sora_gateway_handler.go
index dc301ce1..cc1b1c0b 100644
--- a/backend/internal/handler/sora_gateway_handler.go
+++ b/backend/internal/handler/sora_gateway_handler.go
@@ -484,6 +484,9 @@ func (h *SoraGatewayHandler) handleConcurrencyError(c *gin.Context, err error, s
 }
 
 func (h *SoraGatewayHandler) handleFailoverExhausted(c *gin.Context, statusCode int, responseHeaders http.Header, responseBody []byte, streamStarted bool) {
+	upstreamMsg := service.ExtractUpstreamErrorMessage(responseBody)
+	service.SetOpsUpstreamError(c, statusCode, upstreamMsg, "")
+
 	status, errType, errMsg := h.mapUpstreamError(statusCode, responseHeaders, responseBody)
 	h.handleStreamingAwareError(c, status, errType, errMsg, streamStarted)
 }
diff --git a/backend/internal/service/ops_upstream_context.go b/backend/internal/service/ops_upstream_context.go
index 21e09c43..9adf5896 100644
--- a/backend/internal/service/ops_upstream_context.go
+++ b/backend/internal/service/ops_upstream_context.go
@@ -53,6 +53,13 @@ func SetOpsLatencyMs(c *gin.Context, key string, value int64) {
 	c.Set(key, value)
 }
 
+// SetOpsUpstreamError is the exported wrapper for setOpsUpstreamError, used by
+// handler-layer code (e.g. failover-exhausted paths) that needs to record the
+// original upstream status code before mapping it to a client-facing code.
+func SetOpsUpstreamError(c *gin.Context, upstreamStatusCode int, upstreamMessage, upstreamDetail string) {
+	setOpsUpstreamError(c, upstreamStatusCode, upstreamMessage, upstreamDetail)
+}
+
 func setOpsUpstreamError(c *gin.Context, upstreamStatusCode int, upstreamMessage, upstreamDetail string) {
 	if c == nil {
 		return