fix process service impl class compile error

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessServiceImpl.java

@@ -939,7 +939,7 @@ public class ProcessServiceImpl implements ProcessService {
                 return null;
             }
         }
-        if (cmdParam != null) {
+
         CommandType commandTypeIfComplement = getCommandTypeIfComplement(processInstance, command);
         // reset global params while repeat running and recover tolerance fault process is needed by cmdParam
         if (commandTypeIfComplement == CommandType.REPEAT_RUNNING ||
@@ -958,13 +958,14 @@ public class ProcessServiceImpl implements ProcessService {
                 processInstance.getScheduleTime(), timezoneId);
         processInstance.setGlobalParams(globalParams);
         processInstance.setProcessDefinition(processDefinition);
-        }
+
         // reset command parameter
         if (processInstance.getCommandParam() != null) {
             Map<String, String> processCmdParam = JSONUtils.toMap(processInstance.getCommandParam());
+            Map<String, String> finalCmdParam = cmdParam;
             processCmdParam.forEach((key, value) -> {
-                if (!cmdParam.containsKey(key)) {
-                    cmdParam.put(key, value);
+                if (!finalCmdParam.containsKey(key)) {
+                    finalCmdParam.put(key, value);
                 }
             });
         }