diff --git a/NEWS.md b/NEWS.md
index c1783f5c..82bbedba 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -14,6 +14,7 @@ Red Panda C++ Version 3.1
   - enhancement: More elements in the demo of editor color theme optiont page.
   - fix: Mingw32-make doesn't work correctly if there are bash in the path.
   - fix: All color scheme names are incorrectly displayed as bold, if the current one is a customed one.
+  - fix: Variables defined by using alias can't show completion info.
 
 Red Panda C++ Version 3.0
 
diff --git a/RedPandaIDE/parser/cppparser.cpp b/RedPandaIDE/parser/cppparser.cpp
index 39251297..84bea986 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -5937,7 +5937,8 @@ PStatement CppParser::doParseEvalTypeInfo(
     PStatement effectiveTypeStatement = typeStatement;
     int level=0;
     while (effectiveTypeStatement && (effectiveTypeStatement->kind == StatementKind::Typedef
-           || effectiveTypeStatement->kind == StatementKind::Preprocessor)) {
+                                      || effectiveTypeStatement->kind == StatementKind::Alias
+                                      || effectiveTypeStatement->kind == StatementKind::Preprocessor)) {
         if (level >20) // prevent infinite loop
             break;
         level++;