diff --git a/_fixtures/call/BookController.java b/_fixtures/call/BookController.java
new file mode 100644
index 0000000000000000000000000000000000000000..c2b1ad3885b77fcbc4e8e542f1789107a351c56b
--- /dev/null
+++ b/_fixtures/call/BookController.java
@@ -0,0 +1,45 @@
+package com.phodal.pholedge.book;
+
+import com.phodal.pholedge.book.model.BookRepresentaion;
+import com.phodal.pholedge.book.model.command.CreateBookCommand;
+import com.phodal.pholedge.book.model.command.UpdateBookCommand;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+import java.util.List;
+import java.util.Map;
+
+import static com.google.common.collect.ImmutableSortedMap.of;
+
+@RestController
+@RequestMapping(value = "/books")
+public class BookController {
+    private final BookService applicationService;
+
+    public BookController(BookService applicationService) {
+        this.applicationService = applicationService;
+    }
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public Map<String, String> createBook(@RequestBody @Valid CreateBookCommand command) {
+        return of("id", applicationService.createBook(command));
+    }
+
+    @PutMapping("/{id}")
+    @ResponseStatus(HttpStatus.OK)
+    public BookRepresentaion updateBook(@PathVariable(name = "id") String id, @RequestBody @Valid UpdateBookCommand command) {
+        return applicationService.updateBook(id, command);
+    }
+
+    @GetMapping("/")
+    public List<BookRepresentaion> getBookList() {
+        return applicationService.getBooksLists();
+    }
+
+    @GetMapping("/{id}")
+    public BookRepresentaion getBookById(@PathVariable(name = "id") String id) {
+        return applicationService.getBookById(id);
+    }
+}
diff --git a/cmd/concept.go b/cmd/concept.go
index 311dfae5bdb0178117dae61c24d15983e7f5acae..37e0009a6edc860d99dfef9aa10c41242e3ab424 100644
--- a/cmd/concept.go
+++ b/cmd/concept.go
@@ -6,6 +6,7 @@ import (
 	"coca/core/models"
 	. "coca/core/support"
 	"encoding/json"
+	"fmt"
 	"github.com/spf13/cobra"
 	"log"
 )
@@ -28,7 +29,12 @@ var conceptCmd = &cobra.Command{
 
  			_ = json.Unmarshal(file, &parsedDeps)
 
-			analyser.Analysis(&parsedDeps)
+			wordCounts := analyser.Analysis(&parsedDeps)
+			for _, word := range wordCounts {
+				if word.Value > 0 {
+					fmt.Println(word.Key, word.Value)
+				}
+			}
 		}
 	},
 }
diff --git a/core/adapter/call/JavaCallApp_test.go b/core/adapter/call/JavaCallApp_test.go
index a7c2d23b82ef1b9ad6b1667e7a36241a60ac9ef1..f8c81d23691b3d3727b4ef02d11e2935e5f2650a 100644
--- a/core/adapter/call/JavaCallApp_test.go
+++ b/core/adapter/call/JavaCallApp_test.go
@@ -1,9 +1,26 @@
 package call
 
 import (
+	"coca/core/adapter/identifier"
+	"fmt"
+	. "github.com/onsi/gomega"
 	"testing"
 )
 
 func TestJavaCallApp_AnalysisPath(t *testing.T) {
+	g := NewGomegaWithT(t)
 
+	codePath := "../../../_fixtures/call"
+	identifierApp := new(identifier.JavaIdentifierApp)
+	iNodes := identifierApp.AnalysisPath(codePath)
+	var classes []string = nil
+	for _, node := range iNodes {
+		classes = append(classes, node.Package+"."+node.ClassName)
+	}
+
+	callApp := new(JavaCallApp)
+
+	callNodes := callApp.AnalysisPath(codePath, classes, iNodes)
+
+	g.Expect(len(callNodes)).To(Equal(1))
 }
\ No newline at end of file
diff --git a/core/adapter/identifier/JavaIdentifierApp_test.go b/core/adapter/identifier/JavaIdentifierApp_test.go
index 1719e2108a7ac46bdc903c80a27247cbb2da90eb..b7f6eba0aa64554c5c50dfaee1c9b107c838b4aa 100644
--- a/core/adapter/identifier/JavaIdentifierApp_test.go
+++ b/core/adapter/identifier/JavaIdentifierApp_test.go
@@ -9,9 +9,11 @@ func TestJavaIdentifierApp_AnalysisPath(t *testing.T) {
 	g := NewGomegaWithT(t)
 
 	identApp := new(JavaIdentifierApp)
-	identifiers := identApp.AnalysisPath("../../../examples/method-call")
+	identifiers := identApp.AnalysisPath("../../../_fixtures/call")
 
 	g.Expect(len(identifiers)).To(Equal(1))
-	g.Expect(identifiers[0].ClassName).To(Equal("BlogRepositoryImpl"))
-	g.Expect(identifiers[0].Methods[0].Name).To(Equal("save"))
+	g.Expect(identifiers[0].ClassName).To(Equal("BookController"))
+	g.Expect(identifiers[0].Methods[0].Name).To(Equal("createBook"))
+
+	g.Expect(identifiers[0].Annotations[0].QualifiedName).To(Equal("RestController"))
 }
\ No newline at end of file
diff --git a/core/domain/concept/concept_analyser.go b/core/domain/concept/concept_analyser.go
index d57d0dbfdefbf56094ce5b442757fbc48a27e268..6c5bcb57bfc1e2bc2721756f652bcabb249d6637 100644
--- a/core/domain/concept/concept_analyser.go
+++ b/core/domain/concept/concept_analyser.go
@@ -4,7 +4,6 @@ import (
 	languages2 "coca/core/domain/call_graph/stop_words/languages"
 	"coca/core/models"
 	"coca/core/support"
-	"fmt"
 )
 
 type ConceptAnalyser struct {
@@ -18,11 +17,11 @@ func (c ConceptAnalyser) run() {
 
 }
 
-func (c ConceptAnalyser) Analysis(clzs *[]models.JClassNode) {
-	buildMethodsFromDeps(*clzs)
+func (c ConceptAnalyser) Analysis(clzs *[]models.JClassNode) support.PairList {
+	return buildMethodsFromDeps(*clzs)
 }
 
-func buildMethodsFromDeps(clzs []models.JClassNode) {
+func buildMethodsFromDeps(clzs []models.JClassNode) support.PairList {
 	var methodsName []string
 	var methodStr string
 	for _, clz := range clzs {
@@ -38,11 +37,7 @@ func buildMethodsFromDeps(clzs []models.JClassNode) {
 	words = removeNormalWords(words)
 
 	wordCounts := support.RankByWordCount(words)
-	for _, word := range wordCounts {
-		if word.Value > 0 {
-			fmt.Println(word.Key, word.Value)
-		}
-	}
+	return wordCounts
 }
 
 var itStopWords = []string{
diff --git a/core/domain/concept/concept_analyser_test.go b/core/domain/concept/concept_analyser_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..a81aae7b18e89dc0b6a532f78dd8023355d6765c
--- /dev/null
+++ b/core/domain/concept/concept_analyser_test.go
@@ -0,0 +1,28 @@
+package concept
+
+import (
+	"coca/core/models"
+	"coca/core/support"
+	"encoding/json"
+	"log"
+	"testing"
+
+	. "github.com/onsi/gomega"
+)
+
+func TestConceptAnalyser_Analysis(t *testing.T) {
+	g := NewGomegaWithT(t)
+
+	var parsedDeps []models.JClassNode
+	analyser := NewConceptAnalyser()
+	file := support.ReadFile("../../../_fixtures/call_api_test.json")
+	if file == nil {
+		log.Fatal("lost file")
+	}
+
+	_ = json.Unmarshal(file, &parsedDeps)
+
+	counts := analyser.Analysis(&parsedDeps)
+
+	g.Expect(counts.Len()).To(Equal(4))
+}
\ No newline at end of file