diff --git a/services/service/src/discovery/discovery_manager.cpp b/services/service/src/discovery/discovery_manager.cpp
index 87db35c87dca8f82e0c7917f46a19e81ebae38e3..a26cf7af14d7807632b82035ece290598cd9caa6 100644
--- a/services/service/src/discovery/discovery_manager.cpp
+++ b/services/service/src/discovery/discovery_manager.cpp
@@ -168,9 +168,11 @@ int32_t DiscoveryManager::StartDiscovering(const std::string &pkgName,
     StartDiscoveryTimer(pkgNameTemp);
 
     auto it = filterOptions.find(PARAM_KEY_FILTER_OPTIONS);
-    JsonObject jsonObject(it->second);
-    if (!jsonObject.IsDiscarded() && jsonObject.Contains(TYPE_MINE)) {
-        return StartDiscovering4MineLibary(pkgNameTemp, dmSubInfo, it->second);
+    if (it != filterOptions.end()) {
+        JsonObject jsonObject(it->second);
+        if (!jsonObject.IsDiscarded() && jsonObject.Contains(TYPE_MINE)) {
+            return StartDiscovering4MineLibary(pkgNameTemp, dmSubInfo, it->second);
+        }
     }
 
     int32_t ret = isStandardMetaNode ? StartDiscoveringNoMetaType(pkgNameTemp, dmSubInfo, discoverParam) :
diff --git a/test/commonunittest/UTTest_discovery_manager.cpp b/test/commonunittest/UTTest_discovery_manager.cpp
index d73b1f55fb93909aa00cc31101a5d5a8d038d6ae..1de0b1d66231fdde23d24cc74e4fb128f059fffd 100644
--- a/test/commonunittest/UTTest_discovery_manager.cpp
+++ b/test/commonunittest/UTTest_discovery_manager.cpp
@@ -141,6 +141,18 @@ HWTEST_F(DiscoveryManagerTest, StartDiscovering_003, testing::ext::TestSize.Leve
     EXPECT_EQ(ret, ERR_DM_DISCOVERY_REPEATED);
 }
 
+HWTEST_F(DiscoveryManagerTest, StartDiscovering_004, testing::ext::TestSize.Level0)
+{
+    std::string pkgName = "pkgName_test1";
+    std::map<std::string, std::string> discoverParam;
+    std::map<std::string, std::string> filterOptions;
+    discoverParam.insert(std::pair<std::string, std::string>("SUBSCRIBE_ID", "test_value1"));
+    discoverParam.insert(std::pair<std::string, std::string>("DISC_MEDIUM", "test_value2"));
+    filterOptions.insert(std::pair<std::string, std::string>("PARAM_KEY_FILTER_OPTIONS", "test_value3"));
+    int32_t ret = manager->StartDiscovering(pkgName, discoverParam, filterOptions);
+    EXPECT_EQ(true, checkSoftbusRes(ret));
+}
+
 HWTEST_F(DiscoveryManagerTest, StartDiscovering4MineLibary_001, testing::ext::TestSize.Level0)
 {
     std::string pkgName = "pkgName";