diff --git a/libSyntax/libsyntax.cpp b/libSyntax/libsyntax.cpp
index 05a7fcf..fbb8679 100644
--- a/libSyntax/libsyntax.cpp
+++ b/libSyntax/libsyntax.cpp
@@ -350,7 +350,7 @@ void lib_syntax::MatchCursor::logExprsError(std::shared_ptr<const lib_words::IPr
 	this->_exprs_errors.last()->addError(t, msg);
 
 	// 普适性质的判定标准
-	this->setFailure(this->exprsErrorCount() > 1);
+	this->setFailure(this->exprsErrorCount() > 1 || this->_total_errors.size() > 300);
 }
 
 void MatchCursor::quitExprs() {