diff --git a/README.md b/README.md
index 5e66f4d87..9e3ea3f7b 100644
--- a/README.md
+++ b/README.md
@@ -193,6 +193,9 @@ releases! 🌟
 
 ```bash
    $ cd ragflow/docker
+   
+   # Optional: use a stable tag (see releases: https://github.com/infiniflow/ragflow/releases), e.g.: git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/README_id.md b/README_id.md
index 016f4dc1a..ae61578ec 100644
--- a/README_id.md
+++ b/README_id.md
@@ -191,6 +191,9 @@ Coba demo kami di [https://demo.ragflow.io](https://demo.ragflow.io).
 
 ```bash
    $ cd ragflow/docker
+   
+   # Opsional: gunakan tag stabil (lihat releases: https://github.com/infiniflow/ragflow/releases), contoh: git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/README_ja.md b/README_ja.md
index 09a6240c4..f7d338ae6 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -170,6 +170,9 @@
 
 ```bash
    $ cd ragflow/docker
+
+   # 任意: 安定版タグを利用 (一覧: https://github.com/infiniflow/ragflow/releases) 例: git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
@@ -177,6 +180,7 @@
    # sed -i '1i DEVICE=gpu' .env
    # docker compose -f docker-compose.yml up -d
 ```
+   
 
 | RAGFlow image tag | Image size (GB) | Has embedding models? | Stable?                    |
 | ----------------- | --------------- | --------------------- | -------------------------- |
diff --git a/README_ko.md b/README_ko.md
index 6720682f5..1c378cd0d 100644
--- a/README_ko.md
+++ b/README_ko.md
@@ -172,6 +172,9 @@
 
    ```bash
    $ cd ragflow/docker
+   
+   # Optional: use a stable tag (see releases: https://github.com/infiniflow/ragflow/releases), e.g.: git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/README_pt_br.md b/README_pt_br.md
index 94b4d2c97..a5a2e3b82 100644
--- a/README_pt_br.md
+++ b/README_pt_br.md
@@ -190,6 +190,9 @@ Experimente nossa demo em [https://demo.ragflow.io](https://demo.ragflow.io).
 
 ```bash
    $ cd ragflow/docker
+   
+   # Opcional: use uma tag estável (veja releases: https://github.com/infiniflow/ragflow/releases), ex.: git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/README_tzh.md b/README_tzh.md
index edc1d0b61..01e070965 100644
--- a/README_tzh.md
+++ b/README_tzh.md
@@ -189,6 +189,9 @@
 
 ```bash
    $ cd ragflow/docker
+   
+   # 可選：使用穩定版標籤（查看發佈：https://github.com/infiniflow/ragflow/releases），例：git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/README_zh.md b/README_zh.md
index 0e7814b52..e909413a6 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -190,6 +190,9 @@
 
    ```bash
    $ cd ragflow/docker
+   
+   # 可选：使用稳定版本标签（查看发布：https://github.com/infiniflow/ragflow/releases），例如：git checkout v0.21.1
+
    # Use CPU for embedding and DeepDoc tasks:
    $ docker compose -f docker-compose.yml up -d
 
diff --git a/docker/.env b/docker/.env
index 1d6c8ba90..7c4c5642d 100644
--- a/docker/.env
+++ b/docker/.env
@@ -217,3 +217,6 @@ REGISTER_ENABLED=1
 # Enable DocLing and Mineru
 USE_DOCLING=false
 USE_MINERU=false
+
+# pptx support
+DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
\ No newline at end of file
diff --git a/sdk/python/ragflow_sdk/modules/session.py b/sdk/python/ragflow_sdk/modules/session.py
index d9b6193c4..12141afed 100644
--- a/sdk/python/ragflow_sdk/modules/session.py
+++ b/sdk/python/ragflow_sdk/modules/session.py
@@ -67,8 +67,10 @@ class Session(Base):
                     or (self.__session_type == "chat" and json_data.get("data") is True)
                 ):
                     return
-
-                yield self._structure_answer(json_data)
+                if self.__session_type == "agent":
+                    yield self._structure_answer(json_data)
+                else:
+                    yield self._structure_answer(json_data["data"])
         else:
             try:
                 json_data = res.json()