From bf0290ee1921fefdca0f287813164e8d3b697151 Mon Sep 17 00:00:00 2001
From: "jie.zhu" <981975491@qq.com>
Date: Tue, 25 Mar 2025 12:09:38 +0800
Subject: [PATCH 1/2] some implement of streaming api may return "" as
 finish_reason such as o3 (https://o3.fan/).

---
 ...reateChatCompletionStreamResponseChoice.Serialization.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs b/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
index 5d3b87e6..0312bb6b 100644
--- a/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
+++ b/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
@@ -81,12 +81,14 @@ internal static InternalCreateChatCompletionStreamResponseChoice DeserializeInte
             }
             if (property.NameEquals("finish_reason"u8))
             {
-                if (property.Value.ValueKind == JsonValueKind.Null)
+                var propertyValue = property.Value;
+                string propertyValueString;
+                if (propertyValue.ValueKind == JsonValueKind.Null||(propertyValueString=propertyValue.GetString())?.Trim()==string.Empty)
                 {
                     finishReason = null;
                     continue;
                 }
-                finishReason = property.Value.GetString().ToChatFinishReason();
+                finishReason = propertyValueString.ToChatFinishReason();
                 continue;
             }
             if (property.NameEquals("index"u8))

From 7e2209fc1d91f8959a3d85cf4b239a303d69b649 Mon Sep 17 00:00:00 2001
From: "jie.zhu" <981975491@qq.com>
Date: Tue, 25 Mar 2025 12:12:26 +0800
Subject: [PATCH 2/2] some implement of streaming api may return "" as
 finish_reason such as o3 (https://o3.fan/).

---
 ...nalCreateChatCompletionStreamResponseChoice.Serialization.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs b/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
index 0312bb6b..58bc9265 100644
--- a/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
+++ b/src/Custom/Chat/Streaming/InternalCreateChatCompletionStreamResponseChoice.Serialization.cs
@@ -83,7 +83,7 @@ internal static InternalCreateChatCompletionStreamResponseChoice DeserializeInte
             {
                 var propertyValue = property.Value;
                 string propertyValueString;
-                if (propertyValue.ValueKind == JsonValueKind.Null||(propertyValueString=propertyValue.GetString())?.Trim()==string.Empty)
+                if (propertyValue.ValueKind == JsonValueKind.Null||string.IsNullOrEmpty((propertyValueString=propertyValue.GetString())?.Trim()))
                 {
                     finishReason = null;
                     continue;