diff --git a/NEWS.md b/NEWS.md
index 9f773432..860422f0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -62,6 +62,7 @@ Red Panda C++ Version 2.27
   - change: Invert scroll direction in horizontal, like in vertical.
   - enhancement: Show type completion info after 'const' and 'volatile'
   - fix: Caret unseen when move to a long line end by press END.
+  - fix: Can't correctly retrieve function parameters type.
 
 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 a9bb2913..09b37b66 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -6150,15 +6150,27 @@ void CppParser::scanMethodArgs(const PStatement& functionStatement, int argStart
             addMethodParameterStatement(words,mTokenizer[i]->line,functionStatement);
             i=skipAssignment(i,argEnd);
         } else if (mTokenizer[i]->text=="::") {
-            words.append(mTokenizer[i]->text);
+            int lastIdx=words.count()-1;
+            if (lastIdx>=0 && words[lastIdx]!="const") {
+                words[lastIdx]=words[lastIdx]+mTokenizer[i]->text;
+            } else
+                words.append(mTokenizer[i]->text);
             i++;
         } else if (mTokenizer[i]->text==',') {
            addMethodParameterStatement(words,mTokenizer[i]->line,functionStatement);
            i++;
            words.clear();
+        } else if (isIdentChar(mTokenizer[i]->text[0])) {
+            // identifier
+            int lastIdx=words.count()-1;
+            if (lastIdx>=0 && words[lastIdx].endsWith("::")) {
+                words[lastIdx]=words[lastIdx]+mTokenizer[i]->text;
+            } else
+                words.append(mTokenizer[i]->text);
+            i++;
         } else if (isWordChar(mTokenizer[i]->text[0])) {
-            QString cmd=mTokenizer[i]->text;
-            words.append(cmd);
+            // * &
+            words.append(mTokenizer[i]->text);
             i++;
         } else if (mTokenizer[i]->text.startsWith("[")) {
             if (!words.isEmpty()) {