diff --git a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/common/DbeCommonUtils.java b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/common/DbeCommonUtils.java
index 167b6545b0210ae0769d16e21583095e77f13186..a47f9fd47e2d9b6be66dbf779135c9f019523519 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/common/DbeCommonUtils.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/common/DbeCommonUtils.java
@@ -54,6 +54,13 @@ public final class DbeCommonUtils {
      */
     public static final String END = "END";
 
+    /**
+     * CREATE_TABLE
+     */
+    public static final String CREATE_TABLE = "CREATE TABLE";
+
+    private static final String CREATE_TABLE_NOT = "CREATE TABLE IF NOT EXISTS";
+
     private static final String REPLACE_FUNCTION = "$function$";
 
     private static final String REPLACED = "$$";
@@ -237,4 +244,30 @@ public final class DbeCommonUtils {
         }
         return index;
     }
-}
\ No newline at end of file
+
+    /**
+     * getNeedDropTableName
+     *
+     * @param code code
+     * @return List<String> list
+     */
+    public static List<String> getNeedDropTableName(String code) {
+        List<String> list = new ArrayList<>();
+        String newCode = code.toUpperCase(Locale.ENGLISH).replaceAll(CREATE_TABLE, CREATE_TABLE_NOT);
+        int index = 0;
+        String needCode = null;
+        while (true) {
+            index = newCode.indexOf(CREATE_TABLE_NOT);
+            if (index == -1) {
+                return list;
+            }
+            index = index + CREATE_TABLE_NOT.length();
+            newCode = newCode.substring(index);
+            index = newCode.indexOf("(");
+            if (index != -1) {
+                needCode = newCode.substring(0, index);
+                list.add(needCode.trim());
+            }
+        }
+    }
+}
diff --git a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DebuggerReportService.java b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DebuggerReportService.java
index e1b380ae982a98b45bbafdca9fff82408b1dbdc1..1e03f8eceda6a63f07ccaca43de2291b235fb567 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DebuggerReportService.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.debuger/src/org/opengauss/mppdbide/debuger/service/DebuggerReportService.java
@@ -22,11 +22,14 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Locale;
+import java.util.Set;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import org.apache.commons.lang.StringUtils;
 import org.opengauss.mppdbide.common.DbeCommonUtils;
 import org.opengauss.mppdbide.common.IConnection;
 import org.opengauss.mppdbide.common.IConnectionProvider;
@@ -59,6 +62,7 @@ public class DebuggerReportService {
     private static final String TABLE_FIELD_TWO = "endTime BIGINT, sourceCode VARCHAR, params VARCHAR,"
             + " canBreakLine VARCHAR);";
     private static final String INSERT = "insert into public.his_coverage VALUES(?,?,?,?,?,?,?,?);";
+    private static final String DROP_SQL = "DROP TABLE IF EXISTS %s";
 
     /**
      * default value
@@ -68,11 +72,13 @@ public class DebuggerReportService {
     private IConnection serverConn;
     private IConnection clientConn;
     private IConnection queryConn;
+    private IConnection dropConn;
     private FunctionVo functionVo;
     private TurnOnVo turnOnVo;
     private DebuggerStartInfoVo startInfo;
     private CodeDescription baseCodeDesc = null;
     private CodeDescription totalCodeDesc = null;
+    private boolean hasExp = false;
 
     private DebuggerReportService() {
 
@@ -131,6 +137,7 @@ public class DebuggerReportService {
             this.serverConn = connectProvider.getValidFreeConnection();
             this.clientConn = connectProvider.getValidFreeConnection();
             this.queryConn = connectProvider.getValidFreeConnection();
+            this.dropConn = connectProvider.getValidFreeConnection();
             this.functionVo = functionVo;
         } catch (SQLException e) {
             MPPDBIDELoggerUtility.error(e.getMessage());
@@ -187,6 +194,14 @@ public class DebuggerReportService {
         } catch (SQLException sqlErr) {
             MPPDBIDELoggerUtility.warn("reportService queryConn close failed, err=" + sqlErr.toString());
         }
+        try {
+            if (dropConn != null) {
+                dropConn.close();
+                dropConn = null;
+            }
+        } catch (SQLException sqlErr) {
+            MPPDBIDELoggerUtility.warn("reportService dropConn close failed, err=" + sqlErr.toString());
+        }
     }
 
     /**
@@ -201,8 +216,11 @@ public class DebuggerReportService {
 
     /**
      * make dbedebugger report info
+     *
+     * @param hasExp exception
      */
-    public void makeReport() {
+    public void makeReport(boolean hasExp) {
+        this.hasExp = hasExp;
         startInfo = DebuggerStartVariable.getStartInfo(functionVo.oid);
         if (!startInfo.isMakeReport) {
             return;
@@ -210,6 +228,7 @@ public class DebuggerReportService {
         List<Object> inputsParams = Arrays.asList(functionVo.oid);
         ResultSet rs = null;
         try {
+            dropTable(startInfo.sourceCode);
             // DBE_DEBUG_OFF
             DebugOpt opt = DebugConstants.DebugOpt.DBE_DEBUG_OFF;
             rs = serverConn.getDebugOptPrepareStatement(opt, inputsParams).executeQuery();
@@ -244,6 +263,21 @@ public class DebuggerReportService {
         }
     }
 
+    private void dropTable(String code) {
+        if (StringUtils.isBlank(code)) {
+            return;
+        }
+        List<String> tableNames = DbeCommonUtils.getNeedDropTableName(code);
+        tableNames.forEach(item -> {
+            String dropSql = String.format(Locale.ENGLISH, DROP_SQL, item) ;
+            try {
+                dropConn.getStatement(dropSql).executeQuery();
+            } catch (SQLException e) {
+                MPPDBIDELoggerUtility.error("dropTable failed: " + e.getMessage());
+            }
+        });
+    }
+
     private void doClient() {
         VariableRunLine.runList.clear();
         // attach
@@ -262,13 +296,20 @@ public class DebuggerReportService {
         inputsParams = new ArrayList();
         opt = DebugConstants.DebugOpt.DBE_STEP_OVER;
         Boolean hasNext = true;
+        Boolean isAdd= true;
         while (hasNext) {
             try (ResultSet rs = clientConn.getDebugOptPrepareStatement(opt, inputsParams).executeQuery()) {
                 if (rs.next()) {
                     AttachVo attachVo = ParseVo.parse(rs, AttachVo.class);
                     Integer lineNo = attachVo.lineno;
                     if (lineNo > 1) {
-                        runLinks.add(getCurLine(lineNo));
+                        if (isAdd && this.hasExp && attachVo.query.toUpperCase(Locale.ENGLISH).contains(DbeCommonUtils.CREATE_TABLE)) {
+                            runLinks.add(getCurLine(lineNo));
+                            isAdd = false;
+                        }
+                        if (isAdd) {
+                            runLinks.add(getCurLine(lineNo));
+                        }
                     }
                 } else {
                     hasNext = false;
@@ -292,7 +333,9 @@ public class DebuggerReportService {
         historyList.add(endInfo);
         DebuggerStartVariable.setHistoryList(functionVo.oid, historyList);
         endInfo.canBreakLine = String.join(",", toRunLines);
-        createTbale(endInfo);
+        if (!this.hasExp) {
+            createTbale(endInfo);
+        }
     }
 
     private void createTbale(DebuggerEndInfoVo endInfo) {
diff --git a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/coverage/CoverageService.java b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/coverage/CoverageService.java
index 6f3dd3575ab820b65994e61783c752e180533198..08322d2c7f245bba75011433c608be0c4837940d 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/coverage/CoverageService.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/coverage/CoverageService.java
@@ -20,6 +20,7 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -105,6 +106,8 @@ public class CoverageService implements IService {
                     cov.remarkCoverageLinesArr = cov.coverageLinesArr.stream().map(item ->
                             Integer.parseInt(item) + 1 + "")
                             .filter(ite -> cov.remarkLinesArr.contains(ite)).collect(Collectors.toList());
+                    Collections.sort(cov.remarkCoverageLinesArr,
+                            (o1, o2) -> Integer.valueOf(o1).compareTo(Integer.valueOf(o2)));
                     cov.remarkCoverageLineNum = cov.remarkCoverageLinesArr.size();
                     Double remarkPer = Double.parseDouble(String.format("%.2f",
                                     ((double) cov.remarkCoverageLineNum * 100 / (double) cov.remarkLineNum)));
diff --git a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/chain/ServerExitChain.java b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/chain/ServerExitChain.java
index dfa647b59e17848bd60fa03cfc92b13f8096c12d..e4b975646959426a36469eb80b53afb4e7ecc961 100644
--- a/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/chain/ServerExitChain.java
+++ b/code/datastudio/src/org.opengauss.mppdbide.view/src/org/opengauss/mppdbide/view/handler/debug/chain/ServerExitChain.java
@@ -60,9 +60,7 @@ public class ServerExitChain extends IMsgChain {
         Display.getDefault().asyncExec(new UpdateHighlightLineNumTask());
 
         if (VariableRunLine.isPldebugger != null && !VariableRunLine.isPldebugger) {
-            if (!event.hasException()) {
-                reportService.makeReport();
-            }
+            reportService.makeReport(event.hasException());
             if (VariableRunLine.isContinue != null && VariableRunLine.isContinue) {
                 Display.getDefault().asyncExec(() -> UpdateDebugPositionTask.continueDebug());
             }
diff --git a/code/datastudio/testcode/LLT/org.opengauss.mppdbide.bl.debug.test.fragment/src/org/opengauss/mppdbide/bl/test/debug/DbeDebugerTest.java b/code/datastudio/testcode/LLT/org.opengauss.mppdbide.bl.debug.test.fragment/src/org/opengauss/mppdbide/bl/test/debug/DbeDebugerTest.java
index fe8feb5b7f6447125662e10c80b5be36cdd9ff3c..578b92b7d2528a5edaaf8dfc77bd76a24e39e7f1 100644
--- a/code/datastudio/testcode/LLT/org.opengauss.mppdbide.bl.debug.test.fragment/src/org/opengauss/mppdbide/bl/test/debug/DbeDebugerTest.java
+++ b/code/datastudio/testcode/LLT/org.opengauss.mppdbide.bl.debug.test.fragment/src/org/opengauss/mppdbide/bl/test/debug/DbeDebugerTest.java
@@ -158,7 +158,7 @@ public class DbeDebugerTest extends DebugerJdbcTestCaseBase {
         total.append(toParam4);
         CodeDescription totalCode = new CodeDescription(total.toString());
         debuggerReportService.setTotalCode(totalCode);
-        debuggerReportService.makeReport();
+        debuggerReportService.makeReport(false);
     }
 
     @Test