diff --git a/BUILD.gn b/BUILD.gn
index f43a20f3ba0d89a24f106675be6af0baffe899b0..0cfca26ae88208fb947dbe82cdb0abe3aff88768 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -177,7 +177,11 @@ ohos_shared_library("tel_call_manager") {
     "-Wno-unused-but-set-variable",
   ]
 
-  ldflags = [ "-flto" ]
+  cflags = [ "--coverage" ]
+  ldflags = [
+    "-flto",
+    "--coverage",
+  ]
 
   defines += [
     "TELEPHONY_LOG_TAG = \"CallManager\"",
diff --git a/frameworks/js/BUILD.gn b/frameworks/js/BUILD.gn
index 46de81449e62ae4366290b7519158127f637bbf6..bbb4ea094b2f48b32a7e03231d6e6bd8d9080ccd 100644
--- a/frameworks/js/BUILD.gn
+++ b/frameworks/js/BUILD.gn
@@ -34,6 +34,9 @@ ohos_shared_library("call") {
 
   configs = [ "//base/telephony/core_service/utils:telephony_log_config" ]
 
+  cflags = [ "--coverage" ]
+  ldflags = [ "--coverage" ]
+
   public_configs = [ ":call_manager_js_config" ]
 
   deps = [
diff --git a/frameworks/native/BUILD.gn b/frameworks/native/BUILD.gn
index e3fc68b312d3008d7ca69c777d9d1ad45f38e927..a9a5291cc0bbd64e12202a2b064109fc5f584c71 100644
--- a/frameworks/native/BUILD.gn
+++ b/frameworks/native/BUILD.gn
@@ -38,6 +38,9 @@ ohos_shared_library("tel_call_manager_api") {
 
   configs = [ "//base/telephony/core_service/utils:telephony_log_config" ]
 
+  cflags = [ "--coverage" ]
+  ldflags = [ "--coverage" ]
+
   public_configs = [ ":call_manager_config" ]
 
   external_deps = [