完善模拟器类型校验。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/FaultServiceImpl.java

@@ -128,16 +128,22 @@ public class FaultServiceImpl implements IFaultService {
         return tree;
     }
 
+    public static final String SIM_TYPE_0001 = "0001";
+    public static final String SIM_TYPE_0002 = "0002";
+    public static final String SIM_TYPE_0003 = "0003";
+    public static final Set<String> SIM_TYPE_SET = new HashSet<>(
+            Arrays.asList(
+                    SIM_TYPE_0001,
+                    SIM_TYPE_0002,
+                    SIM_TYPE_0003)
+    );
+
     /**
      * @param simType
      * @return
      */
     public boolean checkSimType(String simType) {
-        Set<String> s = new HashSet<>();
-        s.add("0001");
-        s.add("0002");
-        s.add("0003");
-        return s.contains(simType);
+        return SIM_TYPE_SET.contains(simType);
     }
 
     private static String ROOT_FAULT_ID = "000000000000";