fix a bug of deleting sg

server/src/main/java/org/apache/iotdb/db/conf/adapter/IoTDBConfigDynamicAdapter.java

@@ -149,7 +149,7 @@ public class IoTDBConfigDynamicAdapter implements IDynamicAdapter {
       CONFIG.setMaxMemtableNumber(maxMemTableNum);
       CONFIG.setTsFileSizeThreshold(tsFileSizeThreshold);
       CONFIG.setMemtableSizeThreshold(memtableSizeInByte);
-      if (LOGGER.isDebugEnabled()) {
+      if (LOGGER.isDebugEnabled() && initialized) {
         LOGGER.debug(
             "After adjusting, max memTable num is {}, tsFile threshold is {}, memtableSize is {}, memTableSizeFloorThreshold is {}, storage group = {}, total timeseries = {}, the max number of timeseries among storage groups = {}",
             maxMemTableNum, tsFileSizeThreshold, memtableSizeInByte, memTableSizeFloorThreshold,

server/src/main/java/org/apache/iotdb/db/exception/ConfigAdjusterException.java

@@ -25,7 +25,9 @@ public class ConfigAdjusterException extends ProcessException {
   private static final long serialVersionUID = 3502288856999147687L;
 
   public ConfigAdjusterException(String action) {
-    super(String.format("IoTDB system load is too large to %s", action));
+    super(String.format(
+        "IoTDB system load is too large to %s, please increase memory or disable the enable_parameter_adapter in iotdb-engine.properties",
+        action));
     errorCode = TSStatusCode.CONFIG_ADJUSTER.getStatusCode();
   }
 }

server/src/main/java/org/apache/iotdb/db/metadata/MManager.java

@@ -647,7 +647,8 @@ public class MManager {
           mNodeCache.clear();
           IoTDBConfigDynamicAdapter.getInstance().addOrDeleteStorageGroup(-1);
           mgraph.deleteStorageGroup(delStorageGroup);
-          seriesNumberInStorageGroups.remove(delStorageGroup);
+          IoTDBConfigDynamicAdapter.getInstance()
+              .addOrDeleteTimeSeries(seriesNumberInStorageGroups.remove(delStorageGroup) * (-1));
           ActiveTimeSeriesCounter.getInstance().delete(delStorageGroup);
         } catch (PathException e) {
           try {