fix findModelList bug

sxz-application/src/main/resources/config/j2cache.properties

@@ -52,7 +52,7 @@ j2cache.L2.provider_class = lettuce
 j2cache.sync_ttl_to_redis = true
 
 # Whether to cache null objects by default (default false)
-j2cache.default_cache_null_object = true
+j2cache.default_cache_null_object = false
 
 #########################################
 # Cache Serialization Provider