diff --git a/channel/chat_channel.py b/channel/chat_channel.py
index b3df906..d57cdb5 100644
--- a/channel/chat_channel.py
+++ b/channel/chat_channel.py
@@ -119,7 +119,7 @@ class ChatChannel(Channel):
                     pass
                 else:
                     return None
-
+            content = content.strip()
             img_match_prefix = check_prefix(content, conf().get("image_create_prefix"))
             if img_match_prefix:
                 content = content.replace(img_match_prefix, "", 1)
diff --git a/docker/Dockerfile.alpine b/docker/Dockerfile.alpine
index 324a76e..61f80c2 100644
--- a/docker/Dockerfile.alpine
+++ b/docker/Dockerfile.alpine
@@ -22,8 +22,8 @@ RUN apk add --no-cache \
     && cd ${BUILD_PREFIX} \
     && cp config-template.json ${BUILD_PREFIX}/config.json \
     && /usr/local/bin/python -m pip install --no-cache --upgrade pip \
-    && pip install --no-cache -r requirements.txt \
-    && pip install --no-cache -r requirements-optional.txt \
+    && pip install --no-cache -r requirements.txt --extra-index-url https://alpine-wheels.github.io/index\
+    && pip install --no-cache -r requirements-optional.txt --extra-index-url https://alpine-wheels.github.io/index\
     && apk del curl wget
 
 WORKDIR ${BUILD_PREFIX}
diff --git a/docker/Dockerfile.latest b/docker/Dockerfile.latest
index c9a5a55..432075c 100644
--- a/docker/Dockerfile.latest
+++ b/docker/Dockerfile.latest
@@ -13,8 +13,8 @@ RUN apk add --no-cache bash ffmpeg espeak \
     && cd ${BUILD_PREFIX} \
     && cp config-template.json config.json \
     && /usr/local/bin/python -m pip install --no-cache --upgrade pip \
-    && pip install --no-cache -r requirements.txt \
-    && pip install --no-cache -r requirements-optional.txt
+    && pip install --no-cache -r requirements.txt --extra-index-url https://alpine-wheels.github.io/index\
+    && pip install --no-cache -r requirements-optional.txt --extra-index-url https://alpine-wheels.github.io/index
 
 WORKDIR ${BUILD_PREFIX}
 
diff --git a/requirements.txt b/requirements.txt
index c47df1e..91c1756 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ PyQRCode>=1.2.1
 qrcode>=7.4.2
 requests>=2.28.2
 chardet>=5.1.0
+Pillow
 pre-commit
\ No newline at end of file