diff --git a/matrix/matrix-android/matrix-trace-canary/src/main/java/com/tencent/matrix/trace/config/TraceConfig.java b/matrix/matrix-android/matrix-trace-canary/src/main/java/com/tencent/matrix/trace/config/TraceConfig.java
index b050170de..ba04c4e05 100644
--- a/matrix/matrix-android/matrix-trace-canary/src/main/java/com/tencent/matrix/trace/config/TraceConfig.java
+++ b/matrix/matrix-android/matrix-trace-canary/src/main/java/com/tencent/matrix/trace/config/TraceConfig.java
@@ -97,13 +97,16 @@ public boolean isAnrTraceEnable() {
     public Set<String> getSplashActivities() {
         if (null == splashActivitiesSet) {
             splashActivitiesSet = new HashSet<>();
-            if (null == splashActivities) {
-                return splashActivitiesSet;
-            }
             if (null == dynamicConfig) {
+                if (null == splashActivities) {
+                    return splashActivitiesSet;
+                }
                 splashActivitiesSet.addAll(Arrays.asList(splashActivities.split(";")));
             } else {
                 splashActivities = dynamicConfig.get(IDynamicConfig.ExptEnum.clicfg_matrix_trace_care_scene_set.name(), splashActivities);
+                if (null == splashActivities) {
+                    return splashActivitiesSet;
+                }
                 splashActivitiesSet.addAll(Arrays.asList(splashActivities.split(";")));
             }
         }
diff --git a/matrix/matrix-android/matrix-trace-canary/src/test/java/com/tencent/matrix/trace/config/TraceConfigTestCase.java b/matrix/matrix-android/matrix-trace-canary/src/test/java/com/tencent/matrix/trace/config/TraceConfigTestCase.java
index 33a6322df..5e34d607b 100644
--- a/matrix/matrix-android/matrix-trace-canary/src/test/java/com/tencent/matrix/trace/config/TraceConfigTestCase.java
+++ b/matrix/matrix-android/matrix-trace-canary/src/test/java/com/tencent/matrix/trace/config/TraceConfigTestCase.java
@@ -60,12 +60,11 @@ public String get(String key, String defStr) {
                 return super.get(key, defStr);
             }
         }).build() ;
-
         Set<String> activities = config.getSplashActivities() ;
         assertNotNull(activities);
-//        assertEquals(2, activities.size());
-//        assertTrue( activities.contains("com.tencent.matrix.SplashActivity1"));
-//        assertTrue( activities.contains("com.tencent.matrix.SplashActivity2"));
+        assertEquals(2, activities.size());
+        assertTrue( activities.contains("com.tencent.matrix.SplashActivity1"));
+        assertTrue( activities.contains("com.tencent.matrix.SplashActivity2"));
     }
 
 
@@ -81,9 +80,9 @@ public void testSetSplashActivitiesWithTraceConfig() {
 
         Set<String> activities = config.getSplashActivities() ;
         assertNotNull(activities);
-//        assertEquals(2, activities.size());
-//        assertTrue( activities.contains("com.tencent.matrix.SplashActivity1"));
-//        assertTrue( activities.contains("com.tencent.matrix.SplashActivity2"));
+        assertEquals(2, activities.size());
+        assertTrue( activities.contains("com.tencent.matrix.SplashActivity1"));
+        assertTrue( activities.contains("com.tencent.matrix.SplashActivity2"));
     }
 
     /**