diff --git a/constant/context_key.go b/constant/context_key.go
index 833aabae1..b494f3685 100644
--- a/constant/context_key.go
+++ b/constant/context_key.go
@@ -55,4 +55,8 @@ const (
 	ContextKeyLocalCountTokens ContextKey = "local_count_tokens"
 
 	ContextKeySystemPromptOverride ContextKey = "system_prompt_override"
+
+	// ContextKeyAdminRejectReason stores an admin-only reject/block reason extracted from upstream responses.
+	// It is not returned to end users, but can be persisted into consume/error logs for debugging.
+	ContextKeyAdminRejectReason ContextKey = "admin_reject_reason"
 )
diff --git a/model/log.go b/model/log.go
index f8940c150..872d73d4f 100644
--- a/model/log.go
+++ b/model/log.go
@@ -59,6 +59,7 @@ func formatUserLogs(logs []*Log) {
 			// Remove admin-only debug fields.
 			delete(otherMap, "admin_info")
 			delete(otherMap, "request_conversion")
+			delete(otherMap, "reject_reason")
 		}
 		logs[i].Other = common.MapToJsonStr(otherMap)
 		logs[i].Id = logs[i].Id % 1024
diff --git a/relay/channel/gemini/relay-gemini-native.go b/relay/channel/gemini/relay-gemini-native.go
index 5f9ff7cdf..cd9d06db2 100644
--- a/relay/channel/gemini/relay-gemini-native.go
+++ b/relay/channel/gemini/relay-gemini-native.go
@@ -1,10 +1,12 @@
 package gemini
 
 import (
+	"fmt"
 	"io"
 	"net/http"
 
 	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/constant"
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/logger"
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
@@ -35,6 +37,10 @@ func GeminiTextGenerationHandler(c *gin.Context, info *relaycommon.RelayInfo, re
 		return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
 	}
 
+	if len(geminiResponse.Candidates) == 0 && geminiResponse.PromptFeedback != nil && geminiResponse.PromptFeedback.BlockReason != nil {
+		common.SetContextKey(c, constant.ContextKeyAdminRejectReason, fmt.Sprintf("gemini_block_reason=%s", *geminiResponse.PromptFeedback.BlockReason))
+	}
+
 	// 计算使用量（基于 UsageMetadata）
 	usage := dto.Usage{
 		PromptTokens:     geminiResponse.UsageMetadata.PromptTokenCount,
diff --git a/relay/channel/gemini/relay-gemini.go b/relay/channel/gemini/relay-gemini.go
index 22ddfaeaa..77e335c5b 100644
--- a/relay/channel/gemini/relay-gemini.go
+++ b/relay/channel/gemini/relay-gemini.go
@@ -1197,6 +1197,10 @@ func geminiStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http
 			return false
 		}
 
+		if len(geminiResponse.Candidates) == 0 && geminiResponse.PromptFeedback != nil && geminiResponse.PromptFeedback.BlockReason != nil {
+			common.SetContextKey(c, constant.ContextKeyAdminRejectReason, fmt.Sprintf("gemini_block_reason=%s", *geminiResponse.PromptFeedback.BlockReason))
+		}
+
 		// 统计图片数量
 		for _, candidate := range geminiResponse.Candidates {
 			for _, part := range candidate.Content.Parts {
@@ -1372,12 +1376,14 @@ func GeminiChatHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.R
 
 		var newAPIError *types.NewAPIError
 		if geminiResponse.PromptFeedback != nil && geminiResponse.PromptFeedback.BlockReason != nil {
+			common.SetContextKey(c, constant.ContextKeyAdminRejectReason, fmt.Sprintf("gemini_block_reason=%s", *geminiResponse.PromptFeedback.BlockReason))
 			newAPIError = types.NewOpenAIError(
 				errors.New("request blocked by Gemini API: "+*geminiResponse.PromptFeedback.BlockReason),
 				types.ErrorCodePromptBlocked,
 				http.StatusBadRequest,
 			)
 		} else {
+			common.SetContextKey(c, constant.ContextKeyAdminRejectReason, "gemini_empty_candidates")
 			newAPIError = types.NewOpenAIError(
 				errors.New("empty response from Gemini API"),
 				types.ErrorCodeEmptyResponse,
diff --git a/relay/channel/openai/relay-openai.go b/relay/channel/openai/relay-openai.go
index a4c6ef605..a4de16112 100644
--- a/relay/channel/openai/relay-openai.go
+++ b/relay/channel/openai/relay-openai.go
@@ -229,6 +229,13 @@ func OpenaiHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Respo
 		return nil, types.WithOpenAIError(*oaiError, resp.StatusCode)
 	}
 
+	for _, choice := range simpleResponse.Choices {
+		if choice.FinishReason == constant.FinishReasonContentFilter {
+			common.SetContextKey(c, constant.ContextKeyAdminRejectReason, "openai_finish_reason=content_filter")
+			break
+		}
+	}
+
 	forceFormat := false
 	if info.ChannelSetting.ForceFormat {
 		forceFormat = true
diff --git a/relay/compatible_handler.go b/relay/compatible_handler.go
index eab5052d7..5792715b2 100644
--- a/relay/compatible_handler.go
+++ b/relay/compatible_handler.go
@@ -237,6 +237,9 @@ func postConsumeQuota(ctx *gin.Context, relayInfo *relaycommon.RelayInfo, usage
 		}
 		extraContent = append(extraContent, "上游无计费信息")
 	}
+
+	adminRejectReason := common.GetContextKeyString(ctx, constant.ContextKeyAdminRejectReason)
+
 	useTimeSeconds := time.Now().Unix() - relayInfo.StartTime.Unix()
 	promptTokens := usage.PromptTokens
 	cacheTokens := usage.PromptTokensDetails.CachedTokens
@@ -461,6 +464,9 @@ func postConsumeQuota(ctx *gin.Context, relayInfo *relaycommon.RelayInfo, usage
 	}
 	logContent := strings.Join(extraContent, ", ")
 	other := service.GenerateTextOtherInfo(ctx, relayInfo, modelRatio, groupRatio, completionRatio, cacheTokens, cacheRatio, modelPrice, relayInfo.PriceData.GroupRatioInfo.GroupSpecialRatio)
+	if adminRejectReason != "" {
+		other["reject_reason"] = adminRejectReason
+	}
 	// For chat-based calls to the Claude model, tagging is required. Using Claude's rendering logs, the two approaches handle input rendering differently.
 	if isClaudeUsageSemantic {
 		other["claude"] = true
diff --git a/web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx b/web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx
index b3096c286..84e57ea6f 100644
--- a/web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx
+++ b/web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx
@@ -578,6 +578,9 @@ export const getLogsColumns = ({
               other?.is_system_prompt_overwritten,
               'openai',
             );
+        if (isAdminUser && other?.reject_reason) {
+          content += `\nBlock reason: ${other.reject_reason}`;
+        }
         return (
           <Typography.Paragraph
             ellipsis={{