diff --git a/NEWS.md b/NEWS.md
index 5293e534..bb30f834 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -164,6 +164,7 @@ Red Panda C++ Version 2.27
   - enhancement: New compiler option "stack size" in the link subpage.
   - change: Set "Ctrl+G" as the shortcut for "Goto page..."
   - change: Set "Ctrl+B" as the shortcut for "Toggle Bookmark"
+  - fix: Fail to evaluate expressions if macro can't be expanded.
     
 Red Panda C++ Version 2.26
   - enhancement: Code suggestion for embedded std::vectors.
diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index 296f44f2..887f2844 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -5507,8 +5507,9 @@ bool CppParser::expandMacro(QStringList &phraseExpression, int pos, PStatement m
         phraseExpression.removeAt(pos);
         usedMacros.removeAt(pos);
     } else {
-        if (pos+1 >= phraseExpression.length() || phraseExpression[pos+1]!=")")
-            return false;
+        //don't expand
+        if (pos+1 >= phraseExpression.length() || phraseExpression[pos+1]!="(")
+            return true;
         QString args=macro->args.mid(1,macro->args.length()-2).trimmed(); // remove '(' ')'
 
         if(args=="")
diff --git a/RedPandaIDE/widgets/codecompletionpopup.cpp b/RedPandaIDE/widgets/codecompletionpopup.cpp
index e192b03f..87ac8dc5 100644
--- a/RedPandaIDE/widgets/codecompletionpopup.cpp
+++ b/RedPandaIDE/widgets/codecompletionpopup.cpp
@@ -761,17 +761,11 @@ void CodeCompletionPopup::getCompletionFor(
 
             PStatement scope = mCurrentScope;//the scope the expression in
             PStatement parentTypeStatement;
-//            QString scopeName = ownerExpression.join("");
-//            PStatement ownerStatement = mParser->findStatementOf(
-//                        fileName,
-//                        scopeName,
-//                        mCurrentStatement,
-//                        parentTypeStatement);
             PEvalStatement ownerStatement = mParser->evalExpression(fileName,
                                         ownerExpression,
                                         scope);
 
-            if(!ownerStatement  || !ownerStatement->effectiveTypeStatement) {
+            if(!ownerStatement || !ownerStatement->effectiveTypeStatement) {
                 return;
             }
             if (memberOperator == "::") {