diff --git a/src/assets/resource/panel_settings.json b/src/assets/resource/panel_settings.json
index ad800144..0921efd7 100644
--- a/src/assets/resource/panel_settings.json
+++ b/src/assets/resource/panel_settings.json
@@ -167,8 +167,8 @@
                         {
                             "key": "picformat",
                             "name": "Photo:",
-                            "type":"formatLabel",
-                            "default": "  JPG"
+                            "type":"combobox",
+                            "default": 0
                         },
                         {
                             "key": "vidformat",
diff --git a/src/assets/resource/settings.json b/src/assets/resource/settings.json
index 90d8354b..a7202f6e 100644
--- a/src/assets/resource/settings.json
+++ b/src/assets/resource/settings.json
@@ -165,8 +165,8 @@
                         {
                             "key": "picformat",
                             "name": "Photo:",
-                            "type":"formatLabel",
-                            "default": "  JPG"
+                            "type":"combobox",
+                            "default": 0
                         },
                         {
                             "key": "vidformat",
diff --git a/src/src/Settings.cpp b/src/src/Settings.cpp
index 4009d21a..fd6d387c 100644
--- a/src/src/Settings.cpp
+++ b/src/src/Settings.cpp
@@ -70,6 +70,10 @@ void Settings::init()
     }
     m_settings->option("outsetting.outformat.vidformat")->setData("items", videoFormatList);
 
+    QStringList photoFormatList;
+    photoFormatList << tr("JPG") << tr("PNG");
+    m_settings->option("outsetting.outformat.picformat")->setData("items", photoFormatList);
+
     m_settings->setBackend(m_backend);
 
     connect(m_settings, &DSettings::valueChanged, this, &Settings::onValueChanged);
@@ -269,6 +273,14 @@ void Settings::onValueChanged(const QString & key, const QVariant & value)
             emit videoFormatChanged(videoFormat);
         }
     }
+
+    if (key.startsWith("outsetting.outformat.picformat")) {
+        QPointer<DSettingsOption> formatOpt = m_settings->option("outsetting.outformat.picformat");
+        if (value >= 0 && formatOpt->data("items").toStringList().size() > value.toInt()) {
+            QString photoFormat = formatOpt->data("items").toStringList()[value.toInt()];
+            emit photoFormatChanged(photoFormat);
+        }
+    }
 }
 
 Settings::~Settings()
diff --git a/src/src/Settings.h b/src/src/Settings.h
index 77c0472f..5fbf54e1 100644
--- a/src/src/Settings.h
+++ b/src/src/Settings.h
@@ -154,6 +154,12 @@ public slots:
      */
     void videoFormatChanged(QString format);
 
+    /**
+     * @brief photoFormatChanged 拍照照片格式
+     * @param format 照片格式
+     */
+    void photoFormatChanged(QString format);
+
 private:
     Settings();
     static Settings     m_instance;