diff --git a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DbeDebugService.java b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DbeDebugService.java
index e3807b6a404984bf6f50464bb93d85b725b46b6c..3cddf93b5493be941558fae63aedb369d4a6baa4 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DbeDebugService.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DbeDebugService.java
@@ -60,6 +60,11 @@ public class DbeDebugService extends DebugService {
      */
     public static final Map<Long, List<String>> map = new ConcurrentHashMap<>();
 
+    /**
+     * save param type
+     */
+    public static final Map<Long, List<String>> paramType = new ConcurrentHashMap<>();
+
     private TurnOnVo turnOnVo = null;
     private DebuggerReportService reportService = DebuggerReportService.getInstance();
 
diff --git a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/StackVoHandle.java b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/StackVoHandle.java
index d4a302bdf7249227f4ca3770f9e7c391b794ad83..ab28547fe4fcc0c3278153a0ec416c5d2123ade3 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/StackVoHandle.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/StackVoHandle.java
@@ -19,10 +19,13 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 
+import org.apache.commons.lang.StringUtils;
 import org.opengauss.mppdbide.debuger.annotation.ParseVo;
 import org.opengauss.mppdbide.debuger.vo.StackVo;
 import org.opengauss.mppdbide.debuger.vo.dbe.BackTraceVo;
+import org.opengauss.mppdbide.utils.VariableRunLine;
 
 /**
  * Description: StackVoHandle
@@ -43,11 +46,16 @@ public class StackVoHandle implements IQueryResConvertService {
         List<T> list = new ArrayList<T>();
         List<BackTraceVo> infos = ParseVo.parseList(rs, BackTraceVo.class);
         infos.forEach(item -> {
+            /**
+             * If the step in function is later adapted, 
+             * the parameter type obtained here may not be obtained from the inner function parameter type
+             */
+            List<String> paramTypes = DbeDebugService.paramType.get(VariableRunLine.currentOid);
             StackVo vo = new StackVo();
             vo.func = item.funcoid;
             vo.linenumber = item.lineno;
-            vo.level = 0;
-            vo.targetname = item.query;
+            vo.level = item.frameno;
+            vo.targetname = String.format(Locale.ENGLISH, "%s(%s)", item.funcname, StringUtils.join(paramTypes,','));
             list.add((T) vo);
         });
         return list;
diff --git a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/StartDebugHandler.java b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/StartDebugHandler.java
index dd1b092054199548f4d74e2331acc5b740ce67bf..b094696f927765ad72280a10b5a7226ad98c0ca1 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/StartDebugHandler.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/StartDebugHandler.java
@@ -105,8 +105,11 @@ public class StartDebugHandler {
             QueryService queryService = serviceHelper.getQueryService();
             FunctionVo functionVo = queryService.queryFunction(functionName);
             long oid = functionVo.oid;
-            List<String> paramNames = params.stream().map(item -> item.getName()).distinct().collect(Collectors.toList());
+            List<String> paramNames = params.stream().map(item -> item.getName()).distinct()
+                    .collect(Collectors.toList());
             DbeDebugService.map.put(oid, paramNames);
+            List<String> paramTypes = params.stream().map(item -> item.getDataType()).collect(Collectors.toList());
+            DbeDebugService.paramType.put(oid, paramTypes);
             setUsagehint(plSourceEditor);
         } catch (SQLException e) {
             MPPDBIDELoggerUtility.info("dbeStartDebugParam get failed: " + e.getMessage());
diff --git a/information/datastudio/Data Studio User Manual.pdf b/information/datastudio/Data Studio User Manual.pdf
index 09de0d4fcb63becf2949048d686dcf315d1bc9e3..f033abb2d6e38dce8ccc7599c270c3e4ee6cb85f 100644
Binary files a/information/datastudio/Data Studio User Manual.pdf and b/information/datastudio/Data Studio User Manual.pdf differ
diff --git "a/information/datastudio/Data Studio \347\224\250\346\210\267\346\211\213\345\206\214.pdf" "b/information/datastudio/Data Studio \347\224\250\346\210\267\346\211\213\345\206\214.pdf"
index a9e76571c788f2301e4696d2fe604725710befb3..8b85d40eacdf537b3b137f52fb384b668fd75b00 100644
Binary files "a/information/datastudio/Data Studio \347\224\250\346\210\267\346\211\213\345\206\214.pdf" and "b/information/datastudio/Data Studio \347\224\250\346\210\267\346\211\213\345\206\214.pdf" differ