diff --git a/cpp/version.cmake b/cpp/version.cmake
index 3f13de1f..f120de7d 100644
--- a/cpp/version.cmake
+++ b/cpp/version.cmake
@@ -1,7 +1,7 @@
 
 set(VERSION_MAJOR 6)
 set(VERSION_MINOR 16)
-set(VERSION_PATCH 11)
+set(VERSION_PATCH 12)
 set(VERSION_REVISION 0)
 set(LUNA_VERSION "{${VERSION_MAJOR},${VERSION_MINOR},${VERSION_PATCH},${VERSION_REVISION}}")
 add_library(VERSION_DEF ${CMAKE_CURRENT_LIST_DIR}/version_def.cpp)
diff --git a/py/LunaTranslator/cishu/weblio.py b/py/LunaTranslator/cishu/weblio.py
index b44a09d9..b37a714c 100644
--- a/py/LunaTranslator/cishu/weblio.py
+++ b/py/LunaTranslator/cishu/weblio.py
@@ -39,8 +39,9 @@ class weblio(cishubase):
 
     def makelink(self, link):
         if not self.style.get(link):
-            html = requests.get(
+            req = requests.get(
                 link,
                 proxies=self.proxy,
-            ).text
+            )
+            html = req.text if req.status_code == 200 else ""
             self.style[link] = html
diff --git a/py/LunaTranslator/gui/showword.py b/py/LunaTranslator/gui/showword.py
index 66e11a02..829c480f 100644
--- a/py/LunaTranslator/gui/showword.py
+++ b/py/LunaTranslator/gui/showword.py
@@ -495,6 +495,29 @@ class AnkiWindow(QWidget):
             clearbtn.clicked.connect(lambda: target.clear())
             return clearbtn
 
+        class ctrlbedit(FQPlainTextEdit):
+            def keyPressEvent(self, e):
+                if (
+                    e.modifiers() == Qt.KeyboardModifier.ControlModifier
+                    and e.key() == Qt.Key.Key_B
+                ):
+                    cursor = self.textCursor()
+                    if cursor.hasSelection():
+                        selected_text = cursor.selectedText()
+                        new_text = "<b>{}</b>".format(selected_text)
+
+                        start = cursor.selectionStart()
+
+                        cursor.beginEditBlock()
+                        cursor.insertText(new_text)
+                        cursor.endEditBlock()
+                        cursor.setPosition(start, QTextCursor.MoveMode.MoveAnchor)
+                        cursor.setPosition(
+                            start + len(new_text), QTextCursor.MoveMode.KeepAnchor
+                        )
+                        self.setTextCursor(cursor)
+                return super().keyPressEvent(e)
+
         self.audiopath = QLineEdit()
         self.audiopath.setReadOnly(True)
         self.audiopath_sentence = QLineEdit()
@@ -503,8 +526,8 @@ class AnkiWindow(QWidget):
         self.editpath.setReadOnly(True)
         self.viewimagelabel = pixmapviewer()
         self.editpath.textChanged.connect(self.wrappedpixmap)
-        self.example = FQPlainTextEdit()
-        self.zhuyinedit = FQPlainTextEdit()
+        self.example = ctrlbedit()
+        self.zhuyinedit = ctrlbedit()
         self.wordedit = FQLineEdit()
         self.wordedit.textChanged.connect(self.wordedit_t)
         self.example.hiras = None
@@ -513,7 +536,7 @@ class AnkiWindow(QWidget):
             self.example.hiras = None
 
         self.example.textChanged.connect(__)
-        self.remarks = FQPlainTextEdit()
+        self.remarks = ctrlbedit()
         recordbtn1 = statusbutton(icons=["fa.microphone", "fa.stop"])
         recordbtn1.clicked.connect(
             functools.partial(self.startorendrecord, 1, self.audiopath)