diff --git a/designer-base/src/main/java/com/fr/design/formula/FunctionConstants.java b/designer-base/src/main/java/com/fr/design/formula/FunctionConstants.java
index 0166c269b..eee75a222 100644
--- a/designer-base/src/main/java/com/fr/design/formula/FunctionConstants.java
+++ b/designer-base/src/main/java/com/fr/design/formula/FunctionConstants.java
@@ -102,11 +102,11 @@ public final class FunctionConstants {
 	}
 
 	private static boolean isCustomFormulaPath(String classFilePath) {
-		return !isJarPath(classFilePath) && isDebugMode();
+		return !isJarPath(classFilePath) && isNotDebugMode();
 	}
 
-    private static boolean isDebugMode() {
-        return !GeneralUtils.readBuildNO().contains("-");
+    private static boolean isNotDebugMode() {
+        return GeneralUtils.readBuildNO().contains("-");
     }
 
     private static boolean isJarPath(String classFilePath) {
diff --git a/designer-base/src/test/java/com/fr/design/formula/FunctionConstantsTest.java b/designer-base/src/test/java/com/fr/design/formula/FunctionConstantsTest.java
index 33cfd577d..75c9c9e5b 100644
--- a/designer-base/src/test/java/com/fr/design/formula/FunctionConstantsTest.java
+++ b/designer-base/src/test/java/com/fr/design/formula/FunctionConstantsTest.java
@@ -1,14 +1,24 @@
 package com.fr.design.formula;
 
+import com.fr.general.GeneralUtils;
+import com.fr.invoke.Reflect;
+import org.easymock.EasyMock;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.api.easymock.PowerMock;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import static junit.framework.Assert.fail;
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.assertFalse;
 
 /**
  * Created by plough on 2018/12/7.
  */
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(GeneralUtils.class)
 public class FunctionConstantsTest {
     @Test
     public void testNewInstanceFail() throws Exception {
@@ -37,4 +47,30 @@ public class FunctionConstantsTest {
         NameAndFunctionList commonFunctionList = FunctionConstants.COMMON;
         assertEquals(9, commonFunctionList.getDescriptions().length);
     }
+
+    @Test
+    public void testIsCustomFormulaPathRunWithCode() {
+        PowerMock.mockStatic(GeneralUtils.class);
+        EasyMock.expect(GeneralUtils.readBuildNO()).andReturn("不是安装版本").anyTimes();
+        PowerMock.replayAll();
+
+        String classFilePath = "/Users/plough/.m2/repository/com/fr/core/fine-core/10.0-RELEASE-SNAPSHOT/fine-core-10.0-RELEASE-20181211.024527-499.jar!/com/fr/function";
+        assertFalse(Reflect.on(FunctionConstants.class).call("isCustomFormulaPath", classFilePath).<Boolean>get());
+
+        classFilePath = "/Users/plough/work/new_10_release_finereport/engine-settings/env/webroot/WEB-INF/classes/com/fr/function";
+        assertFalse(Reflect.on(FunctionConstants.class).call("isCustomFormulaPath", classFilePath).<Boolean>get());
+    }
+
+    @Test
+    public void testIsCustomFormulaPathRunWithJar() {
+        PowerMock.mockStatic(GeneralUtils.class);
+        EasyMock.expect(GeneralUtils.readBuildNO()).andReturn("Build#release-2018.12.10.12.11.09.95").anyTimes();
+        PowerMock.replayAll();
+
+        String classFilePath = "file:/Applications/FineReport_10.0_12_10/webapps/webroot/WEB-INF/lib/fine-report-engine-10.0.jar!/com/fr/function";
+        assertFalse(Reflect.on(FunctionConstants.class).call("isCustomFormulaPath", classFilePath).<Boolean>get());
+
+        classFilePath = "/Applications/FineReport_10.0_12_10/webapps/webroot/WEB-INF/classes/com/fr/function";
+        assertTrue(Reflect.on(FunctionConstants.class).call("isCustomFormulaPath", classFilePath).<Boolean>get());
+    }
 }