资源ID加锁，更换类型，判断是否相等

sstudy/src/main/java/com/xhkjedu/sstudy/config/ConfigKey.java

 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
-import java.io.UnsupportedEncodingException;
-
 /**
  * @author ywx
  * @classname ConfigKey
 
     public static Integer nummin;
     public static Integer nummax;
-    public static Integer numadd;
+    public static long numadd;
 
     @Value("${nummin}")
     public void setNummin(Integer nummin) {
     }
 
     @Value("${numadd}")
-    public void setNumadd(Integer numadd) {
+    public void setNumadd(long numadd) {
         ConfigKey.numadd = numadd;
     }
 

sstudy/src/main/java/com/xhkjedu/sstudy/service/resource/ResourceService.java

         Integer resourceclass = model.getResourceclass();
         if (resourceclass == 3 || resourceclass == 4 || resourceclass == 6) {
             model.setConverted(1);
-        } else if (resourceclass == 5 && (model.getSuffix().equals("flv") || model.getMp4code().equals("h264"))) {
+        } else if (resourceclass == 5 && ("flv".equals(model.getSuffix()) || "h264".equals(model.getMp4code()))) {
             model.setConverted(1);
         }
         resourceMapper.insertSelective(model);//保存资源

sstudy/src/main/java/com/xhkjedu/sstudy/utils/StudyUtil.java

     public static Map<String, String> uriMap = new ConcurrentHashMap<>();
 
     //获取id
-    public static String getId(){
+    public static synchronized String getId(){
         Integer nummin = ConfigKey.nummin;
         Integer nummax = ConfigKey.nummax;
         if (id == 0 || id.equals(nummax)) {