增加表关联新建功能，同时修复数据库bug

cache/cache_memory.go

@@ -95,7 +95,8 @@ func (this *CacheMemory) delete(key string) {
 		key = Substr(key, 0, del)
 		for k, _ := range this.Map {
 			if strings.Index(k, key) != -1 {
-				delete(this.Map, key)
+				delete(this.Map, k)
+
 			}
 		}