diff --git a/NEWS.md b/NEWS.md
index c3f59d80..309ab211 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -11,7 +11,8 @@ Red Panda C++ Version 2.27
   - enhancement: Don't force fixed-width when using non fixed-width fonts.
   - change: Replace non-ascii font with fallback font.
   - enhancement: Display ascii control chars.
-  - fix: Parser: invalidating file may break class inheritance infos.
+  - fix: Parser: invalidating file may lost class inheritance infos.
+  - fix: Function argument infos are not correctly parsed.
 
 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 951e6df0..27d80f5e 100644
--- a/RedPandaIDE/parser/cppparser.cpp
+++ b/RedPandaIDE/parser/cppparser.cpp
@@ -1460,7 +1460,8 @@ PStatement CppParser::addStatement(const PStatement &parent,
         QChar ch=mTokenizer[i]->text[0];
         if (this->isIdentChar(ch)) {
             QString spaces=(i>argStart)?" ":"";
-            args+=spaces;
+            if (args.length()>0 && isWordChar(args.back()))
+                args+=spaces;
             word += mTokenizer[i]->text;
             if (!typeGetted) {
                 noNameArgs+=spaces+word;
@@ -1473,12 +1474,17 @@ PStatement CppParser::addStatement(const PStatement &parent,
             }
             word="";
         } else if (this->isDigitChar(ch)) {
-            args+=" ";
+        } else if (mTokenizer[i]->text=="::") {
+            if (braceLevel==0) {
+                noNameArgs+= mTokenizer[i]->text;
+            }
         } else {
             switch(ch.unicode()) {
             case ',':
-                if (braceLevel==0)
+                if (braceLevel==0) {
                     typeGetted=false;
+                    noNameArgs+= mTokenizer[i]->text;
+                }
                 break;
             case '{':
             case '[':
@@ -1495,15 +1501,17 @@ PStatement CppParser::addStatement(const PStatement &parent,
                 //todo: * and & processing
             case '*':
             case '&':
-                if (braceLevel==0)
-                    word+=ch;
+                if (braceLevel==0) {
+                    noNameArgs+= mTokenizer[i]->text;
+                }
                 break;
             }
-            noNameArgs+= mTokenizer[i]->text;
         }
         args+=mTokenizer[i]->text;
     }
-
+    if (!word.isEmpty()) {
+        noNameArgs.append(word);
+    }
     args="("+args.trimmed()+")";
     noNameArgs="("+noNameArgs.trimmed()+")";
     return addStatement(
@@ -4493,7 +4501,7 @@ void CppParser::internalParse(const QString &fileName)
     if (mTokenizer.tokenCount() == 0)
         return;
 #ifdef QT_DEBUG
-//       mTokenizer.dumpTokens(QString("r:\\tokens-%1.txt").arg(extractFileName(fileName)));
+       // mTokenizer.dumpTokens(QString("r:\\tokens-%1.txt").arg(extractFileName(fileName)));
 #endif
 #ifdef QT_DEBUG
         mLastIndex = -1;
diff --git a/RedPandaIDE/parser/cpptokenizer.cpp b/RedPandaIDE/parser/cpptokenizer.cpp
index a5130d9c..26ef60c9 100644
--- a/RedPandaIDE/parser/cpptokenizer.cpp
+++ b/RedPandaIDE/parser/cpptokenizer.cpp
@@ -415,9 +415,14 @@ QString CppTokenizer::getNumber()
 
     QString result;
     if (offset != mCurrent) {
+        if (*mCurrent=='.') {
+            // keep '.' for decimal
+            mCurrent++;
+            while (isDigitChar(*mCurrent) || isHexChar(*mCurrent)) {
+                mCurrent++;
+            }
+        }
         result = QString(offset,mCurrent-offset);
-        if (*mCurrent=='.') // keep '.' for decimal
-            result += *mCurrent;
     }
     return result;
 }