src/org/redkale/net/http/HttpPrepareServlet.java

@@ -105,7 +105,9 @@ public final class HttpPrepareServlet extends PrepareServlet<String, HttpContext
                 if (!ws.repair()) prefix = "";//被设置为自动追加前缀则清空prefix
             }
         }
+        synchronized (mapStrings) {
             for (String mapping : mappings) {
+                if(mapping == null) continue;
                 if (!prefix.toString().isEmpty()) mapping = prefix + mapping;
                 if (this.mapStrings.containsKey(mapping)) {
                     Class old = this.mapStrings.get(mapping);
@@ -134,6 +136,7 @@ public final class HttpPrepareServlet extends PrepareServlet<String, HttpContext
             servlet._prefix = prefix.toString();
             this.servlets.add(servlet);
         }
+    }
 
     private static boolean contains(String string, char... values) {
         if (string == null) return false;