diff --git a/db/db_impl.cc b/db/db_impl.cc
index f96d245..3d26371 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -1198,6 +1198,11 @@ Status DBImpl::Put(const WriteOptions& o, const Slice& key, const Slice& val) {
   return DB::Put(o, key, val);
 }
 
+Status DBImpl::Put(const WriteOptions& options, const Slice& key,
+             const Slice& value, uint64_t ttl) {
+  return DB::Put(options,key,value,ttl);
+}
+
 Status DBImpl::Delete(const WriteOptions& options, const Slice& key) {
   return DB::Delete(options, key);
 }
@@ -1491,6 +1496,14 @@ Status DB::Put(const WriteOptions& opt, const Slice& key, const Slice& value) {
   return Write(opt, &batch);
 }
 
+//为了通过编译，忽略ttl
+Status DB::Put(const WriteOptions& options, const Slice& key,
+                                      const Slice& value, uint64_t ttl) {
+  WriteBatch batch;
+  batch.Put(key, value);
+  return Write(options, &batch);
+}
+
 Status DB::Delete(const WriteOptions& opt, const Slice& key) {
   WriteBatch batch;
   batch.Delete(key);
diff --git a/db/db_impl.h b/db/db_impl.h
index c7b0172..993c63e 100644
--- a/db/db_impl.h
+++ b/db/db_impl.h
@@ -38,6 +38,8 @@ class DBImpl : public DB {
   // Implementations of the DB interface
   Status Put(const WriteOptions&, const Slice& key,
              const Slice& value) override;
+  Status Put(const WriteOptions& options, const Slice& key,
+             const Slice& value, uint64_t ttl) override;
   Status Delete(const WriteOptions&, const Slice& key) override;
   Status Write(const WriteOptions& options, WriteBatch* updates) override;
   Status Get(const ReadOptions& options, const Slice& key,
diff --git a/db/db_test.cc b/db/db_test.cc
index a4a84cd..7baec2a 100644
--- a/db/db_test.cc
+++ b/db/db_test.cc
@@ -2117,6 +2117,9 @@ class ModelDB : public DB {
   Status Put(const WriteOptions& o, const Slice& k, const Slice& v) override {
     return DB::Put(o, k, v);
   }
+  Status Put(const WriteOptions& o, const Slice& k,const Slice& v,uint64_t ttl) {
+    return DB::Put(o,k,v);
+  }
   Status Delete(const WriteOptions& o, const Slice& key) override {
     return DB::Delete(o, key);
   }
diff --git a/port/port.h b/port/port.h
index 4b247f7..c2073f3 100644
--- a/port/port.h
+++ b/port/port.h
@@ -7,6 +7,9 @@
 
 #include <string.h>
 
+#ifndef LEVELDB_PLATFORM_POSIX
+    #define LEVELDB_PLATFORM_POSIX
+#endif
 // Include the appropriate platform specific file below.  If you are
 // porting to a new platform, see "port_example.h" for documentation
 // of what the new port_<platform>.h file must provide.
diff --git a/test/db_test2.cc b/test/db_test2.cc
index 49e26ab..4b2b33c 100644
--- a/test/db_test2.cc
+++ b/test/db_test2.cc
@@ -68,6 +68,7 @@ int main() {
     GetData(db);
     delete db;
   }
+  DestroyDB("testdb",Options());
   
   return 0;
 }
diff --git a/test/ttl_test.cc b/test/ttl_test.cc
index 06f4cda..0cc64f3 100644
--- a/test/ttl_test.cc
+++ b/test/ttl_test.cc
@@ -99,9 +99,9 @@ TEST(TestTTL, CompactionTTL) {
 
     db->CompactRange(nullptr, nullptr);
 
-    leveldb::Range ranges[1];
+    // leveldb::Range ranges[1];
     ranges[0] = leveldb::Range("-", "A");
-    uint64_t sizes[1];
+    // uint64_t sizes[1];
     db->GetApproximateSizes(ranges, 1, sizes);
     ASSERT_EQ(sizes[0], 0);
 }