diff --git a/LunaTranslator/LunaTranslator/cishu/cishubase.py b/LunaTranslator/LunaTranslator/cishu/cishubase.py
index 44a27b2b..83ba3821 100644
--- a/LunaTranslator/LunaTranslator/cishu/cishubase.py
+++ b/LunaTranslator/LunaTranslator/cishu/cishubase.py
@@ -20,7 +20,7 @@ class cishubase:
             pass
 
     @threader
-    def safesearch(self, sentence):
+    def safesearch(self, sentence, callback):
         try:
             if self.needinit:
                 self.init()
@@ -32,7 +32,7 @@ class cishubase:
                 self.needinit = True
 
             if res and len(res):
-                self.callback(res)
+                callback(res)
         except:
             pass
 
diff --git a/LunaTranslator/LunaTranslator/cishu/edict.py b/LunaTranslator/LunaTranslator/cishu/edict.py
index c6d98763..bdd856d1 100644
--- a/LunaTranslator/LunaTranslator/cishu/edict.py
+++ b/LunaTranslator/LunaTranslator/cishu/edict.py
@@ -15,7 +15,8 @@ class edict(cishubase):
             pass
 
     def search(self, word):
-
+        if not self.sql:
+            return
         x = self.sql.execute(
             "select text, entry_id from surface where  text like ?",
             ("%{}%".format(word),),
diff --git a/LunaTranslator/LunaTranslator/cishu/edict2.py b/LunaTranslator/LunaTranslator/cishu/edict2.py
index 73d2e2e0..27734f9e 100644
--- a/LunaTranslator/LunaTranslator/cishu/edict2.py
+++ b/LunaTranslator/LunaTranslator/cishu/edict2.py
@@ -7,7 +7,7 @@ from cishu.cishubase import cishubase
 
 class edict2(cishubase):
     def init(self):
-        self.sql = None
+        self.save = None
         try:
             path = self.config["path"]
             if os.path.exists(path):
@@ -25,7 +25,8 @@ class edict2(cishubase):
             print_exc()
 
     def search(self, word):
-
+        if not self.save:
+            return
         dis = 9999
         dis = []
         savew = []
diff --git a/LunaTranslator/LunaTranslator/cishu/linggesi.py b/LunaTranslator/LunaTranslator/cishu/linggesi.py
index 0cd23edd..0c032497 100644
--- a/LunaTranslator/LunaTranslator/cishu/linggesi.py
+++ b/LunaTranslator/LunaTranslator/cishu/linggesi.py
@@ -29,7 +29,8 @@ class linggesi(cishubase):
             pass
 
     def search(self, word):
-
+        if not self.sql:
+            return
         mp = {}
         for sql in [self.sql, self.sql2]:
             x = sql.execute(
diff --git a/LunaTranslator/LunaTranslator/cishu/xiaoxueguan.py b/LunaTranslator/LunaTranslator/cishu/xiaoxueguan.py
index 812e1958..106e9f96 100644
--- a/LunaTranslator/LunaTranslator/cishu/xiaoxueguan.py
+++ b/LunaTranslator/LunaTranslator/cishu/xiaoxueguan.py
@@ -16,7 +16,8 @@ class xiaoxueguan(cishubase):
             pass
 
     def search(self, word):
-
+        if not self.sql:
+            return
         x = self.sql.execute(
             "select word,explanation from xiaoxueguanrizhong where word like ?",
             ("%{}%".format(word),),
diff --git a/LunaTranslator/LunaTranslator/gui/showword.py b/LunaTranslator/LunaTranslator/gui/showword.py
index 09f72f13..33e3b332 100644
--- a/LunaTranslator/LunaTranslator/gui/showword.py
+++ b/LunaTranslator/LunaTranslator/gui/showword.py
@@ -735,7 +735,7 @@ class selectviewer(QWidget):
 
 class searchwordW(closeashidewindow):
     getnewsentencesignal = pyqtSignal(str, bool)
-    showtabsignal = pyqtSignal(str, str)
+    showtabsignal = pyqtSignal(float, str, str)
 
     def __init__(self, parent):
         super(searchwordW, self).__init__(parent, globalconfig, "sw_geo")
@@ -745,7 +745,9 @@ class searchwordW(closeashidewindow):
         self.getnewsentencesignal.connect(self.getnewsentence)
         self.setWindowTitle(_TR("查词"))
 
-    def showresfun(self, k, res):
+    def showresfun(self, timestamp, k, res):
+        if self.current != timestamp:
+            return
         self.cache_results[k] = res
 
         thisp = globalconfig["cishu"][k]["args"]["priority"]
@@ -853,6 +855,8 @@ class searchwordW(closeashidewindow):
             grabwindow(self.ankiwindow.editpath.setText)
 
     def search(self, sentence):
+        current = time.time()
+        self.current = current
         sentence = sentence.strip()
         if sentence == "":
             return
@@ -863,5 +867,6 @@ class searchwordW(closeashidewindow):
         self.textOutput.clear()
         self.cache_results.clear()
         for k, cishu in gobject.baseobject.cishus.items():
-            cishu.callback = functools.partial(self.showtabsignal.emit, k)
-            cishu.safesearch(sentence)
+            cishu.safesearch(
+                sentence, functools.partial(self.showtabsignal.emit, current, k)
+            )
diff --git a/LunaTranslator/LunaTranslator/gui/usefulwidget.py b/LunaTranslator/LunaTranslator/gui/usefulwidget.py
index 6f923952..30ea64b9 100644
--- a/LunaTranslator/LunaTranslator/gui/usefulwidget.py
+++ b/LunaTranslator/LunaTranslator/gui/usefulwidget.py
@@ -627,15 +627,27 @@ class auto_select_webview(QWidget):
 
     def navigate(self, url):
         self._maybecreate()
+        self.clearcache()
         self.internal.navigate(url)
 
     def setHtml(self, html):
         self._maybecreate()
-        self.internal.setHtml(html)
+        self.clearcache()
+        if len(html) < 1 * 1024 * 1024:  # 1mb
+            self.internal.setHtml(html)
+        else:
+            os.makedirs("cache/temp", exist_ok=True)
+            self.lastcachehtml = os.path.abspath(
+                "cache/temp/" + str(time.time()) + ".html"
+            )
+            with open(self.lastcachehtml, "w", encoding="utf8") as ff:
+                ff.write(html)
+            print("file://" + self.lastcachehtml.replace("\\", "/"))
+            self.internal.navigate("file://" + self.lastcachehtml.replace("\\", "/"))
 
-    def navigate(self, url):
-        self._maybecreate()
-        self.internal.navigate(url)
+    def clearcache(self):
+        if self.lastcachehtml and os.path.exists(self.lastcachehtml):
+            os.remove(self.lastcachehtml)
 
     def __init__(self, parent) -> None:
         super().__init__(parent)
@@ -647,6 +659,7 @@ class auto_select_webview(QWidget):
         layout.setContentsMargins(0, 0, 0, 0)
         self.setLayout(layout)
         self._maybecreate()
+        self.lastcachehtml = None
 
     def _maybecreate(self):
         if globalconfig["usewebview"] != self.contex: