diff --git a/LunaTranslator/LunaTranslator/gui/translatorUI.py b/LunaTranslator/LunaTranslator/gui/translatorUI.py
index 733e7960..d57512ee 100644
--- a/LunaTranslator/LunaTranslator/gui/translatorUI.py
+++ b/LunaTranslator/LunaTranslator/gui/translatorUI.py
@@ -165,10 +165,11 @@ class QUnFrameWindow(resizableframeless):
                 self.translate_text.append(' ',hira,origin)
                 self.saveiterclasspointer[iter_context_class]={'curr':self.translate_text.getcurrpointer()+len(text),'start':self.translate_text.getcurrpointer()}
             else:
+                self.document.blockSignals(True)
                 self.translate_text.deletebetween(self.saveiterclasspointer[iter_context_class]['start'],self.saveiterclasspointer[iter_context_class]['curr'])
                 self.translate_text.insertatpointer(self.saveiterclasspointer[iter_context_class]['start'],text)
                 self.saveiterclasspointer[iter_context_class]['curr']=self.translate_text.getcurrpointer()
-            
+                self.document.blockSignals(False)
             if globalconfig['zitiyangshi'] ==3:
                 self.translate_text.showyinyingtext2(color,iter_context_class,self.saveiterclasspointer[iter_context_class]['start'],text) 
             return